0
votes
0answers
29 views

Tst of hypothesis

I just want you to check whether ı am correct or not please can you check.
1
vote
3answers
119 views

Simple standard deviation question using stocks as example

The following table is from page 171 of Fundamentals of Investing (11th edition) by Gitman, Joehnk, Smart. Please consider only the X, Y and XY columns (second, third, fifth). Portfolio XY comprises ...
0
votes
0answers
49 views

confidence interval

A telecommunication sales representative is responsible to sell various products such as wireless equipment, satellite dishes and internet access. One particular sales representative working for the ...