Question

A researcher randomly surveyed seniors at a high school and asked how many books they read in the past year. The table shows the results.
Males
n1=107
x(x-bar)1=8.4
s1=2.3

Females
n2=120
x(x-bar)2=5.9
s2=1.5

Answer 1

There is a 95% probability that female seniors at this high school read between 2.37 and 2.87 more books per year than male seniors at this high school.
There is a 95% probability that male seniors at this high school read between 1.99 and 3.01 more books per year than female seniors at this high school.
There is a 95% probability that female seniors at this high school read between 2.37 and 2.87 more books per year than male seniors at this high school.
There is a 95% probability that male seniors at this high school read between 1.99 and 3.01 more books per year than female seniors at this high school.

Answer 2

@dan815

Answer 3

The males have a higher standard deviation (s) than females, and according to the Empirical Rule, 95% of data can be caught within two standard deviations.

Answer 4

can you explain

Answer 5

@Luigi0210

Answer 6

no they are the same

Answer 7

one says male first and the other one says female

Answer 8

and I cant reply to your message because you have it blocked

Answer 9

omg yeah sorry they are the same and the difference would be this
There is a 95% probability that male seniors at this high school read between 2.37 and 2.87 more books per year than female seniors at this high school.
There is a 95% probability that male seniors at this high school read between 1.99 and 3.01 more books per year than female seniors at this high school.
There is a 95% probability that female seniors at this high school read between 2.37 and 2.87 more books per year than male seniors at this high school.
There is a 95% probability that female seniors at this high school read between 1.99 and 3.01 more books per year than male seniors at this high school.

Answer 10

om ,y opinion this is the answer There is a 95% probability that female seniors at this high school read between 1.99 and 3.01 more books per year than male seniors at this high school.

Answer 11

@Luigi0210