O What would the null and alternative hypotheses be for this test?
Q: What is/are the difference/s between a one-sided hypothesis and a two-sided hypothesis?
A: Differentiate the two sided and one sided hypothesis.
Q: 4. The principal of San Miguel National High School claims that the students in her school have…
A: Given: Population mean, μ=115
Q: a) Carefully define the null and alternative hypotheses of the x2 test of the above table. b) Find…
A: a) The hypothesis is, Null hypothesis: H0: The variables grades based on their yearly performance…
Q: When the p-value is used for hypothesis testing, the null hypothesis is rejected if p- value = 1-a B…
A:
Q: State the null and alternate hypotheses. i = 'i:°H H: , 2 The hypothesis test is a two-tailed v…
A: Given, nMales=12nFemales=12
Q: What are the two kids of errors we can make in hypothesis testing?
A: The two kinds of errors are 1)Type 1 2)Type 2 Type 1 Error: It is referred as False Positives. It…
Q: If a hypothesis test were conducted using a = 0.05, then the p-values would the null hypothesis be…
A: Given: Level of significance = 0.05 p-value = 0.06
Q: State the null and the alternative hypothesis. Ho:
A: given n1= 16 with mean = 415.6 and variance = 1356.75 n2 = 13 with mean = 347.4 and variance =…
Q: which figure is the null hypothesis, and which figure is the alternative hypothesis
A: The null hypothesis is denoted by Ho and alternative hypothesis is denoted by Ha or H1.
Q: Write the company's alternative hypotheses.
A: Test is that whether the market shares increases with new labels.
Q: When a claim or assertion is involved in hypothesis testing, the null hypothesis is always the same…
A: If the original claim includes equality (<=, =, >=), it is the null hypothesis and If the…
Q: When the p-value is used for hypothesis testing, the null hypothesis is rejected if _____.…
A: Definition: The p-value can be defined as the probability of obtaining a test statistic that is at…
Q: what would happen if you mixed up the null and alternative hypothesis
A: The hypothesis that there is no significant difference between specified populations, any observed…
Q: A hypothesis test is to be performed. State the null and alternative hypotheses.
A: Hypothesis: Hypothesis is an assumption about the parameter of the population which will be made on…
Q: If the null and alternative hypotheses are Ho:p = 0.31 H1:p < 0.31 Then the test is O two-tailed O…
A: Given Information: Null Hypothesis H0:p=0.31 Alternative Hypothesis: Ha:p<0.31 Depending on the…
Q: When the following hypotheses are being tested at a particular level of significance, the null…
A: We know that the P-value forms the basis of acceptance or rejection of a null hypothesis. It depends…
Q: Suppose the defendant in a particular judicial system is presumed guilty until proven innocent. What…
A: Given :
Q: You are given the following null and alternate hypotheses: Ho : u = 525 Ha: µ# 525 The test…
A: 1) It is given that the, H0: μ = 525 Ha: μ ≠ 525 This is a two-tailed test. So, P-value…
Q: A college informs incoming students that the starting salary for a child clinical psychiatrist is…
A: Hypothesis:Hypothesis is an assumption about the parameter of the population which will be made on…
Q: According to the Centers of Disease Control, about 22% of American young people between the ages of…
A: Givenabout 22% of the american young people between the ages of 12 and19 are obeseclaim is that the…
Q: For the following summary table for a one-wayANOVA, fill in the missing items (indicated by…
A: The treatment degrees of freedom is 2 and the total degrees of freedom is 29.
Q: a) Carefully define the null and alternative hypotheses of the ?2 test underlying the generation of…
A: Given that a random sample of residents from various income brackets of Guyana country were…
Q: a) What is the name of the hypothesis test that should be done ? b) What hypotheses should be tested…
A: A) the name of the hypothesis test to be used is T test for testing the mean B) H0: μ = 128…
Q: What is the null hypothesis H0 and the alternative hypothesis H1?
A: Here p=76% =76/100 =0.76 So null and alternative hypothesis is Null…
Q: 1. What is wrong with the following hypotheses? H0:x¯=100 vs. Ha:x¯<100 2. What is wrong with the…
A: Given, H0:x¯=100 vs. Ha:x¯<100 H0:p^=0.5 vs. Ha:p^≠0.5
Q: Identify the error in the following hypotheses: Ho: P = 0.75 versus Ha: p > 0.75.
A: here use basic of hypothesis testing
Q: State the null and alternate hypotheses. The hypothesis test is a (Choose one) ▼ test.
A: The claim is that the mean empathy score for men is less than the mean empathy score for women.
Q: What are the null hypothesis (H) and the alternative hypothesis (H,) that should be used for the…
A: Given Population Mean, μ=136 Sample Mean, x=130 Sample sd, s=15
Q: Austin works in the marketing department for a large cable company. Recently, he heard that 56% of…
A: Hypothesis:Hypothesis is an assumption about the parameter of the population which will be made on…
Q: 13. What are the null and alternative hypotheses, and level of significance for the hypothesis test…
A:
Q: People who pray regularly are less likely to be injured in an accident. Please determine whether…
A: Hypothesis can be defined as the proposed explanation for a phenomenon. There are some properties of…
Q: The researcher was interested in examining whether there was a significant difference between (a)…
A: A Hypothesis is an assertion (or) statement about the population parameter θ The following are the…
Q: What calculator button would be used to perform a hypothesis test if the null and alternative…
A:
Q: For any hypothesis test: a) Define 2-sided and 1-sided hypotheses and give the steps involved in…
A: Hypothesis test : Hypothesis test is a statistical hypothesis in which testing is performed to…
Q: The P-value for a hypothesis test is P= 0.007. Do you reject or fail to reject Ho when the level of…
A:
Q: A researchers claims 45% of couples have children. They conduct a hypothesis test and reject the…
A: Type I Error : Reject H0 when H0 is true.
Q: We would like to test the claim that more than 15% of households use email in the U.S. In a survey,…
A: GivenTh claim is that more than 15% of households use email in the U.S
Q: If the null hypothesis is false then which of the following is accepted? Select one: a. Negative…
A: There are two types of statistical hypotheses. Null hypothesis: The hypothesis that sample…
Q: If the equality term in the null hypothesis involves s or 2, then which test would be appropriate? *…
A: Ans: If the equality term in the null hypothesis involves, ≤ or ≥ then which test would be…
Q: What are the null and alternate hypotheses? H, O0 D=O H
A: Answer - Given, μ > 48, z = 1.59253854, P = 0.0556318753 x =…
Q: 4. What is your alternative hypothesis? (in word:
A: We have to determine the alternative hypothesis for correlation between x and y.
Q: What are the null hypothesis (H,) and the alternative hypothesis (H, ) that should be used for the…
A: Solution:
Q: What are the null hypothesis (H,) and the alternative hypothesis (H,) that should be used for the…
A: The hypotheses of the test will be- H0:μ is equal to 7.5H1:μ is not equal to 7.5 A Type-I error is…
Q: Give Steps of hypothesis testing ?
A: Given: Hypothesis-testing:
Q: What are the Null and Alternative Hypothesis? Include Symbols.
A: Here we have to define the null and alternative hypothesis with their symbols.
Q: The mean IQ of statistics teachers is greater than 120. Write the null and alternative hypotheses.
A: Given, The mean IQ of statistics teachers is greater than 120 Therefore, The Null Hypothesis is Ho:…
Q: According to your roommate, they have inherited a special coin from their great-grandmother which is…
A:
Q: Why is the null hypothesis H0: μ = 0?
A: Hypotheses: Hypotheses is the plural form for hypothesis. Hypothesis is a statement about the…
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- Researchers collected data on the numbers of hospital admissions resulting from motor vehicle crashes, and results are given below for Fridays on the 6th of a month and Fridays on the following 13th of the same month. Use a 0.05 significance level to test the claim that when the 13th day of a month falls on a Friday, the numbers of hospital admissions from motor vehicle crashes are not affected. Friday the 6th: Friday the 13th: 10 10 13 11 13 69 11The scores of a random sample of 8 students on a physics test are as follows: 60, 62, 67, 69, 70, 72, 75, and 78. a) Test to see if the sample mean is significantly different from 65 at the 0.05 level. Report the t and p values. b) The researcher realizes that she accidentally recorded the score that should have been 76 as 67. Are these corrected scores significantly different from 65 at the 0.05 level?How would a person set up the hypotheses if they wanted to test the claim: the mean length of a Pyramid Lake trout is greater than 21 inches? What would be a type Il error in this case? O State the mean length of a Pyramid Lake trout is greater than or equal to 21 inches when in fact the mean length of a Pyramid Lake trout is less than 21 inches. State the mean length of a Pyramid Lake trout is less than or equal to 21 inches when in fact the mean length of a Pyramid Lake trout is greater than 21 inches. State the mean length of a Pyramid Lake trout is less than 21 inches when in fact the mean length of a Pyramid Lake trout is greater than or equal to 21 inches. O State the mean length of a Pyramid Lake trout is greater than 21 inches when in fact the mean length of a Pyramid Lake trout is less than or equal to 21 inches.
- It is desired to test whether there is a difference in the wear-and-tear ofthe frontal left (L) tire and the frontal right (R) tire of the same car. A random sample of 14 cars was taken and data for the distance in miles that the frontal tires ran until they wore out were recorded. What is the correct set of hypotheses to be tested forthis problem?A study was conducted on the internet usage of students in a private school. The study wants to determine if the mean internet usage is equal to 3 hours or not. (State the null and alternative hypotheses in words and in symbols)A recent random poll asked 2,596 adults nationwide ,is discrimination against people based on their race or ethnicity a serious problem in the u.s, 42% of people said that discrimination against people based on their race or ethnicity is a very serious problem in the u.s. what is the standard error for this sample
- The school counselor used a measure to classify children as showing some form of learning disorder. He also examined school records and noted which were enrolled in a remedial English. Below is the contingency table of the data. What can be concluded with an a of 0.05? Remedial Disorder yes no none 23 78 dysgraphia 25 75 20 22 ADHD a) Select and compute the appropriate statistic. ---Select--- = b) Obtain/compute the appropriate values to make a decision about Ho. Critical Value = Test Statistic = Decision: ---Select--- c) Compute the corresponding effect size(s) and indicate magnitude(s). If not appropriate, input and/or select "na" below. Effect Size = ; Magnitude: ---Select--- d) Make an interpretation based on the results. O There is a significant relationship between learning disorder and the school. There is a significant learning disorder difference in remedial English. O Learning disorder English and remedial are independent.The mean age of lawyers in New York is 50.7 years. A) Null and alternative hypotheses B) Indicate whether the the hypothesis is left, right, or two tailedAn educator claims that the average salary of substitute teachers in school districts in Accra, is less than $60 per day. A random sample of eight school districts is selected, and the daily salaries (in dollars) are shown. Is there enough evidence to support the educator’s claim at ? = 0.1? 60, 56, 60, 55, 70, 60, 55
- Consumer Reports stated that the mean time for a Chrysler Concorde to go from 0 to 60 miles per hour is 8.7 seconds. If you want to set up a statistical challenge to claim the average time from 0 to 60 miles per hour is less than 8.7 seconds, what would be the alternate hypothesis and type of test? a)H1: μ< 8.7, right-tailed test b)H1: μ>8.7, two-tailed test c) H1: μ<8.7,left-tailed testIn a recent survey of 90 randomly selected college students, 59 said that they believe in the existence of extraterrestrial life. a) Find p, the sample proportion that believes that there is extraterrestrial life. (Round your answers to three decimal places). = b) A recent report suggests the proportion of general US population who believe in extraterrestrial life is 0.47. Choose the appropriate null and alternative hypothesis that tests whether the proport of college students who believe in extraterrestrial life in greater than the general population? O Ho: P = 0.47 H₂: P = 0.47 Ho: P = 0.47 H₂: p > 0.47 O Ho: P = 0.47 H₂: > > 0.47 Ho: μ = 0.47 H₂:μ ‡ 0.47 Ho: x = 0.47 H₂: x > 0.47 c) Calculate the z test statistic and p-value. (Round the test statistic to two decimal places and the p-value four decimal places). Z = p-value d) Based on the p-value, give a conclusion in terms of the alternative. There is no evidence that the proportion of college students who believe in…The average farm size in the United States is 444 acres. A random sample of 40 farms in Oregon indicated a mean size of 430 acres, and the population standard deviation is 52 acres. At a = 0.05, can it be concluded that the average farm in Oregon differs from the national average? a) Based on reading the problem, how do we know we are working with a hypotheses test ( Ho and H1)? This question has two possible answers. U Asks us to find (estimate) the % confidence interval of the population (true) mean. DAsks us to find the sample size (how many or how large). Oa is provided. Asks if there is evidence r can we conclude somethine