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. ...
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 ...
... or False Hint: The null hypothesis tested is H0 ... 0.0875 Average Proportion 0.6 Z Test Statistic 1.479019946. Upper-Tail Test Upper Critical Value 1.644853627 p ...
... 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 ...
... Group 1 Proportion 0.0146 Group 2 Proportion 0.012444444 Difference in Two Proportions 0.002155556 Average Proportion 0.013578947 Z Test Statistic 0.90640952. ...
... 1 Proportion 0.166666667 Group 2 Proportion 0.306930693 Difference in Two Proportions -0.140264026 Average Proportion 0.23857868 Z Test Statistic -2.308772599. ...
... 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. ...
Z test for proportion of election data. ... Please see the attachments. The solution provides step by step method for the calculation of Z test for proportion. ...
