Use the spreadsheet’s Average function (look under AutoSum in the Function menu) to calculate the means. Enter the correct value in each box. Use numerals instead of words, and round each value to the nearest hundredth.

The mean value of people who would purchase the red box is
.

The mean value of people who would purchase the blue box is

What is the difference of the sample means of those who would purchase the red box and those who would purchase the blue box?
1.39
1.86
1.74
2.08

The sample size of the session regarding the number of people would purchase the red box, , is
.

The sample size of the session regarding the number of people would purchase the blue box , , is
.

The standard deviation of the sample mean differences is approximately
.