Find the​ P-value for a​ left-tailed hypothesis test with a test statistic of z=−1.33. Decide whether to reject H0 if the level of significance is α=0.05. ​P-value=nothing ​(Round to four decimal places as​ needed.)   Enter your answer in the answer box and then click Check Answer.   1 part remaining

Q: help solve attached, and following parts pertaining to attached image, all parts please. find test…

A: Given: n1 = 31 n2 = 33 X1 = 76.53 X2 = 84.45 S1 = 11.96 S2 = 19.23 Significance level α = 0.01…

Q: What are the null and alternative hypotheses? Calcium is essential to tree growth. In 1990, the…

A: The data shows the calcium for tree growth of 8 precipitation dates in 2018.

Q: Find the P-value. Select the correct choice below and, if necessary, fill in the answer box to…

A: Given Information: 3.7% of all births produced twins. Sample size n=598 Number of successes x=14

Q: What is the p-value for this sample? p-value = 0.2637× (Report answer accurate to 4 decimal places.)

A: The degrees of freedom is, df=n-1=98-1=97c is The degrees of freedom is 97. The test statistic is…

Q: An educational psychologist thinks that the children in her gifted program have higher IQs than the…

A: Population mean μ=100Population standard deviation σ=15Sample mean x¯=123

Q: Y 7. 2 1 3. 0. 6. 2. 3 5 A. Sketch a scatter plot and estimate the Pearson correlation B. Compute…

A: Hii ! Thanks for posting the question . Since , your question has more than three subparts , we have…

Q: dents at the university spend 10 or more hours reading weekly. Run a Z test and state the p value.…

A: The following null and alternative hypotheses need to be tested: H0​:μ​=10 Ha​:μ​>​10​ This…

Q: A grocery store manager wants to know if displaying cranberries near the entrance to the store…

A: P1 : Proportion of shoppers who buy Cranberries when they are near the store entrance. P2 :…

Q: A pharmaceutical manufacturer is concerned about the impurity concentration in batches of drug and…

A:

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

A:

Q: K Use technology to find the P-value for the hypothesis test described below The claim is that for…

A: For the true mean 12 AM temperature, it is hypothesized that 98.6^oF \)" data-mce-style="cursor:…

Q: A simple random sample of sizen=200 drivers were asked if they drive a car manufactured in a certain…

A: Solution: Given information: n = 200 Sample size  x = 120 succesess  p^= xn=120200= 0.60  Sample…

Q: The graph portrays the decision criterion for a hypothesis test for a population mean. The null…

A: The null hypothesis is where,  is the population mean and  is the hypothesized value of population…

Q: The director of research and development testing and new drugs she wants to know if there's evidence…

A: Test statistic:Denote μ as the claimed mean; μ = 384. In a random sample of n = 79, the sample mean…

Q: 7. What is the appropriate t-test to be used in the problem? B. A. t-test for independent sample…

A: Data is given :  Number of cases of dog rabbies in two regions :  It is clear that ( there is no any…

Q: S A test consists of 90 multiple choice questions, each with five possible answers, only one of…

A: For the given data Select the correct choice

Q: Determine whether the hypothesis test involves a sampling distribution of means that is a normal…

A: Given that   x̄ = 100  ,  μ = 82  ,   S = 15.1  , n =20

Q: Which of the following options should you do if you have a p-value of 0.06 for one study and a value…

A: Let us take level of significance,α=0.05 Since, if our p-value is greater than the α=0.05 then we…

Q: None

A: Option 1:No,the analysis does not involve a statistical test Reason:Statistical tests are used to…

Q: The accompanying table describes the distribution of eye colors reported by male and female…

A: It is needed to check whether the gender and eye color are independent traits.

Q: A data set includes data from student evaluations of courses. The summary statistics are n= 85, x =…

A:

Q: hat are your decision and conclusion? a. p-value alpha. Fail to reject Ho. The model is not…

A: According to the given information in this question We need to identify the correct option

Q: help solve attached, and following parts pertaining to attached image, all parts please. find test…

A: Given data: Significance level  = 0.05

Q: The test is done with a 95% confidence level. Find the test statistic, and p-value. (Round your test…

A: The test statistic and the p-value can be obtained from the given output.

Q: -or each of the problem given be arameter to be tested and the w each assumption. The breaking…

A: Parameter of interest  there is sample of 50 cables is tested n=50 mean breaking strength is 1850…

Q: A random sample of 222 college freshman found that 123 bought most of their textbooks from the…

A: Claim: The proportion of all freshmen that purchase most of their textbooks from the college…

Q: Interpret the p- value for a right - tailed test.  Answer choices : Area captured between 2 test…

A: Interpretation of p value for a right tailed test

Q: Types of Error: A You take a sample of size 36 from a population, and compute the sample mean, which…

A: Type 1 and 2 errors: If we reject the null hypothesis where the null hypothesis is true is known as…

Q: We want to perform the following hypothesis test for the average score of an exam in a statistics…

A: We have given that  n= 16   , then degree of freedom = n - 1 = 15 test statistic (t) = -1.341

Q: State whether each standardized test statistic y allows you to reject the null hypothesis. Explain.…

A:

Q: You are conducting a study to see if the proportion of voters who prefer Candidate A is…

A:

Q: laim: The mean pulse rate (in beats per minute) of adult males is equal to 69 bpm. For a random…

A:

Q: Sex and Stance on Bill 2 Sex Stance on Bill2 Male Female Total Support 387 453 840 Oppose 132 109…

A: Solution: In the given example we are interested in testing the hypothesis that the sex and stance…

Q: Before 78 79 65 78 68 After 85 83 62 85 79

A:

Q: II. Solve for the variance and standard deviation.

A: Here given discrete probability distribution table for variable x

Q: Suppose that you want to perform a hypothesis test for a population mean. Assume that the population…

A: For testing population mean: If sample size is small and the population is normally distributed…

Q: Claim: Most adults would erase all of their personal information online if they could. Asoftware…

A: In this scenario, It is appropriate to use one prop Z test. Null and alternative hypotheses: Let p…

Q: otained for 20 randomly selected sets of siblings. The 20 pairs of measurements yield x = 99.21, y =…

A: Given that the predicted linear regression equation is, y^ = 21.92+(0.8) x  ....(I) Here x…

Q: A researcher would like to determine if a new procedure will decrease the production time for a…

A: given data sampple size (n) = 16sample mean ( x¯ ) =42sample standard deviation (s) = 7claim : μ<…

Q: Find the value of the test statistic for type of design. (Round your answer to two decimal places.)…

A: The given data represents the size of advertisement and the design on the number of catalogue…

Q: A dlate set inoludes data from atudant evaluntione of courson. The summary etatistica are n- 05,…

A: The summary statistics is n=95,x¯=3.66,s=0.58.

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.