Author Question: Suppose a random sample of undergraduate students was selected and asked if they were employed ... (Read 322 times)

kellyjaisingh · **on:** Jul 24, 2018

Suppose a random sample of undergraduate students was selected and asked if they were employed while attending school. Using the data given below, what is a 98 confidence interval for the difference in the proportion of males and females who were employed while attending school?

a.(-0.40, -0.12)
b.(-0.39, -0.14)
c.(-0.43, -0.09)

d.-3.61

Question 2

Which of the following is not true with regards to an analysis of paired data?

a.The values of

and

are independent of one another with paired data.
b.

c.The paired difference is defined as d_i= X_i - Y_i.
d.If the paired observations are randomly selected from normal populations, then the paired difference will be approximately normally distributed.