In testing the hypothesis H0:µ = 75 vs µ≠75, the following information is known: n = 64, X-bar = 78, and s = 10. the test statistic is equal to?

Q: Compute for the appropriate test statis a. n= 17;8 = 8; µ = 7.4; s = 0.5 0.125 b. n= 40;& = 6.24; µ…

A: a) The population standard deviation is unknown. Therefore, we should use t test statistic.

Q: magine that I want to conduct a survey to find out how many households have at least one cat. If I…

A: It is given that margin of error (E) is 0.10 and the confidence level is 0.80.

Q: If we are calculating the standard error for the Tukey HSD test and our samples have different…

A: Anova is used to measure the mean significance between the three or more groups. It compares the…

Q: Find the p-value for two tailed test given that: n = 100, µo = 54, ī = 57, o = 12 and a = 0.05 %3D

A: Given that  Sample size n = 100 Sample mean = 57 Population SD = 12 Level of significance = 0.05

Q: How many samples are best when dealing with t-test? a. cannot be determined b. exactly 30 c.…

A: We have given that,  How many samples are best when dealing with t-test? Then,  We will find the…

Q: A store manager wants to see if the of sales for an store. The manager observes the number of items…

A: Since, you have posted a question with multiple sub-parts, we will solve the first three complete…

Q: A sample of 3 measurements are taken and recorded: x = 8, y = 10 and z = 6 The sample mean is: ¤…

A:

Q: The statistical hypothesis for a test on a mean is given below, along with the reduced difference…

A: From the above data The descriptive threshold is 0.0708

Q: If we wish to test the difference between three means what is the alternative hypothesis? O A. at…

A: The random variable X follows normal distribution. There are three independent samples. We have to…

Q: What is the test statistic for the following conditions? n = 230, x= 3.42, o = 0.93; when testing μ…

A:

Q: Dl Given a robot' current belief about its location in the world .4 .4 .3 and factor for matching…

A: This question is about updating the robot's belief about its location in the world, given a…

Q: A chi-square test for goodness-of-fit has a sample size of 50. What are the degrees of freedom for…

A: A chi square test for goodness-of-fit is a non parametric test. It is used to test whether there is…

Q: Subject: statistics

A: That is, there is no evidence to conclude that the population mean is different from 60. That is,…

Q: The following are the number of hours traveled by a senior high school student to go to school every…

A: Solution-: Given: μ0=1,α=0.01 For the given data we find, (6) Test statistic =? (7) Decision (8)…

Q: Use the given data test the indicated X S a Me 10 191 96.7 37.5 0.05 M²90

A: Given that n=191 x=96.7s=37.5α=0.05

Q: If we want to test H;: o² #7.2 by taking a sample of size 87 and standard deviation 8.9 then…

A:

Q: tests for statistical significance

A: a) The larger the absolute value of the t-value, the smaller the p-value, and the greater the…

Q: Find the standardized test statistic t for a sample with n= 12, x = 11.2, s= 2.2, and a= 0.01 if Ho:…

A: Given data, x=11.2 s=2.2 n=12 Mu=10   test -statistic =?

Q: We want to determine whether the true average credit card debt is different for men and women. What…

A: We need to determine whether the true average credit card debt is different for men and women.

Q: 2- Bob takes on average of 50.5 hours uniformly distributed to to finish a portrait in his studio…

A: Given information- Population mean, µ = 50.5 hours Population standard deviation, σ = 10.5 hours…

Q: Find the test statistic to for a sample with n=12, x=25.2, s=2.2, and α = 0.01 if Ho: μ=24. Round…

A:

Q: The table available below shows the weights (in pounds) for a sample of vacuum cleaners. The weights…

A: The question is about one way ANOVA Given :

Q: Draw out a P chart using the following table.  The number of EVs are the defects.   Mean proportion…

A: Provided data:

Q: A study by researchers at a university addressed the question of whether the mean body temperature…

A: Given that, A study by researchers at a university addressed the question of whether the mean body…

Q: Determine the P-value for a one sided test with t = 1.75 and n=16 O a. 0.075 Ob. 0.05 O c 0.0375

A: we will find the p value from t table for one tailed test.

Q: If the pro habi, lita given by: function of random variable ir f Cx) = %3D Sechx 9. find the mean b.…

A: The probability function of random variable is given by : fx=1sec hx , 1≤x≤2 a) Here we have to find…

Q: c) Find the standardized test statistic z. (Round to two decimal pla II

A:

Q: A researcher takes sample temperatures in Fahrenheit of 17 days from Nashville (Group 1) and 19 days…

A: Since you have asked multiple questions, we will solve first three subparts for you. To get…

Q: A population of N = 6 scores has EX 48. What is the population mean? %3D O 12 48 288

A:

Q: kindly answer the questions in the picture

A: "Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: The following details are available with regard to a test of hypothesis for the population mean:…

A:

Q: Random sampling from four normally distributed populations produced the following data: (You may…

A: GOTO EXCELDATA---->DATA ANALYSISDATA ANALYSIS---- > oNE WAY AnovaGive the four treatment…

Q: Suppose you are testing Hoμ = 94 against Ha: μ< 94. From an SRS of 68 individuals, you compute X =…

A:

Q: Researchers wished to know if they could conclude that two populations of infants (Groups A, B)…

A: Let μ1 be the mean of Group A and μ2 be the mean of Group B. Hypothesis: H0: μ1=μ2H1: μ1≠μ2…

Q: How high must a vehicle's gas mileage be to fall in the top 15% of all vehicles?

A: Given,  Mean μ=23 miles per gallon(mpg) Standard deviation σ=4.9 (mpg)Let x be the mileage above…

Q: The weights of beagles (dogs) have approximately a normal distribution with u = 17.1 pounds and a…

A: Solution: Let X be the weight of beagles. From the given information, X follows normal distribution…

Q: State the conclusion based on the results of the test. The mean of the pressure required to open a…

A: The mean of the pressure required to open a certain valve is known to be = 7.9 psi. H0 :  P =  7.9…

Q: Agar A: average number of colonies = 24.52 Standard Deviation for A = 3.34 Agar B: average number of…

A: Mean(m1) and standard deviation(s1) of A = 24.52 &amp; 3.34Mean(m2) and standard deviation(s2) of B…

Q: Test the hypothesis that the average weight of the sacks of a powdered raw material is 50 kg if the…

A: Given data is 50.2,49.3,50.1,49.24,49.37,50.24,49.09,50.35,49.08,49.72,50.21,49.67α=0.05claim isthat…

Q: LUKEE). a. What percentage of those surveyed felt teen sex was always wrong? b. What percentage of…

A: Association is used to measure whether two or more variables are related to each other or not. The…

Q: forD, E, and F I have the following and want to see if correct: D=0.9579 E=14 F= var(x)=4.2 std…

A: number of trails (n)=20Probability of success (p)=0.70X~B(n=20, p=0.70)We have to…

Q: Scenario: 200 people were asked, “Who is your favorite superhero?” Below are the data.  Test the…

A: Given Information: 200 people were asked “Who is your favourite superhero?” Categories Observed…

Q: Given Hu=25, Hu=25, and P =0.028. Do you reject or fail to reject H, at the 0.01 level of…

A: P-value = 0.028 and , level of significance = 0.01P-value is greater than the level of…