Please answer the following question using the P value approach. Please describe your answer in detail. The answer details are important to my understanding the P value concept.
The manager of the circulation department of a newspaper claimed that 75% of subscribers would renew their subscriptions. A sample of 100 subscribers showed 63 renewed their subscriptions. At the 1% level of significance, is there sufficient evidence to conclude that the manager is wrong? Use the p-value approach.
Solution Summary
The solution provides step by step method for the calculation of test statistic for testing proportions . Formula for the calculation and Interpretations of the results are also included.
Hypothesis Testing: Z Test and Difference of Proportions. ... The null hypothesis tested is H0: The proportion of all ...Z Test for Differences in Two Proportions. ...
... That is, testing whether proportion of success of treatment 2 > proportion of success of treatment ... Hypothesis. Z Test for Differences in Two Proportions. ...
Hypothesis Tests: Z-Test for Mean, Z-Test for Proportion... performing Z-test for Mean, Z-Test for Proportion... All the steps of hypothesis testing (formulation of ...
Statistical Hypothesis Testing: Z test for Proportion. ... The null hypothesis tested is H0: There is no ...Z Test for Differences in Two Proportions Data Hypothesized ...
... So reject Ho. The solution gives detailed steps on solving 6 questions for finding test statistics and critical values for one proportion z test. 1. ...
... Limit Average Proportion 0.270833333 Z Test Statistic 3.34085598. Two-Tail Test Lower Critical Value -1.959963985 ... Page 2 Performing Hypothesis Tests Two Samples ...
... Conclusion: Reject the null hypothesis as the test statistic Z falls in ... The null hypothesis tested is null H0: The proportion of women students in ...
... Answer. The null hypothesis tested is H0: Population proportion=0.950 H1: Population proportion >0.950. The test statistic used is p − p0 Z= p0 (1 − p0 ) n. ...
... 0.202380952 Average Proportion 0.474358974 Z Test Statistic -1.78443216. Two-Tail Test Lower Critical Value ... Page 1 Hypothesis testing Many elementary school ...
