Author Question: If the sample sizes are large enough so the conditions are met, the difference between two sample ... (Read 106 times)

lbcchick · **on:** Jun 24, 2018

If the sample sizes are large enough so the conditions are met, the difference between two sample proportions has an approximate ___________________ _ distribution.
Fill in the blank(s) with correct word

Question 2

The trend equation for annual sales data (in millions of dollars) is y = 65 + 2.5t, where t = 1 for 2011 . The monthly seasonal index for December is 0.97 . The forecasted sales' value for December of 2020 is:
a. 90.0
b. 7.28
c. 7.50
d. 7.69