A recent study focused on the number of times men and women send twitter messages in a day. The information is summarized next. At the .01 significance level, conclude on whether there is a difference in the mean number of times men and women send a Twitter message in a day. Sample size sample mean population standard deviation Men 25 23 5 women 30 28 10 1）Develop the null and alternative hypotheses for this study? 2）Determine a test statistic and the critical value(s). 3) Calculate the value of the test statistic for this hypothesis testing. 4）What is the p-value for this hypothesis test? 5）Based on the p-value, what is your conclusion?
A recent study focused on the number of times men and women send twitter messages in a day. The information is summarized next. At the .01 significance level, conclude on whether there is a difference in the mean number of times men and women send a Twitter message in a day.
Sample size sample mean population standard deviation
Men 25 23 5
women 30 28 10
1）Develop the null and alternative hypotheses for this study?
2）Determine a test statistic and the critical value(s).
3) Calculate the value of the test statistic for this hypothesis testing.
4）What is the p-value for this hypothesis test?
5）Based on the p-value, what is your conclusion?
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