Could you answer these questions for me please? Thank you so much for your help 1. A 95% confidence interval is required for the difference between the average snack bar spending of movie goers on the weekend compared with weekday movie goers. Analyse only those who spend. a. Write out Levene’s test to establish whether the population variances can be assumed equal in this case. b. Write out the appropriate 95% confidence interval for the difference between the average snack bar spending of movie goers in the weekend compared with weekday movie goers, using the correct notation. c. Interpret the confidence interval in context. d. Show that the necessary conditions hold for the confidence interval to be valid
Added by Sina L.
Step 1
Levene's test is used to test if the variances of two or more groups are equal. The null hypothesis (H0) is that the variances are equal across all groups. The alternative hypothesis (H1) is that the variance is not equal across all groups. In this case, the Show more…
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Could you answer these for me please. Thank you so much :)
Lucas F.
a. Write out the 95% confidence interval for the average snack bar spending of movie goers who make a purchase from the snack bar using the correct notation. b. Interpret the 95% confidence interval in context. c. Show that the necessary condition/s hold for this confidence interval to be valid. d. What is the margin of error of the 95% confidence interval estimate of the average snackbar e. Calculate the sample size required to estimate the average snack bar spending of moviegoers who make a snack bar purchase with a margin of error of +$0.20 with 95% confidence?
Sheryl E.
can you answer these questions for me please
T. L.
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