I have the answers, I just need an explanation so I can understand how to arrive
ID: 3391451 • Letter: I
Question
I have the answers, I just need an explanation so I can understand how to arrive at the answers. Thanks
Suppose a sample of 1,000 adults was asked "Do you buy clothes from your mobile device?" and the results are summarized in the table below. Complete parts (a) through (c) below.
male female total
yes 175 325 500
no 325 175 500
total 500 500 1000
A. Is there evidence of a significant difference between the proportion of males and females who say they buy clothing from their mobile devices at the 0.025
Ho: 1 2
Ho: 1 = 2
Calculate the test statistic. X2STAT=90.000(ANSWER)
B. Determine the p-value in (a) and interpret its meaning.
The p-value is 0.000(ANSWER)
.
C. What are the answers to (a) and (b) if 270 males say they buy clothing from their mobile device and 230 did not? Calculate the new test statistic.
X2STAT=12.533(ANSWER)
Determine the new p-value.
The new p-value is 0.000(ANSWER)
Suppose a sample of 1,000 adults was asked "Do you buy clothes from your mobile device?" and the results are summarized in the table below. Complete parts (a) through (c) below.
Explanation / Answer
I have the answers, I just need an explanation so I can understand how to arrive