Question

Below are the data collected from two random samples of 500 American students on the number of hours they spend in school per day (rounded to the nearest hour):

Sample A: Number of students
70 4 hours
100 5 hours
125 6 hours
135 7 hours
70 8 hours

Sample B: Number of students
80 4 hours
90 5 hours
120 6 hours
125 7 hours
85 8 hours


Meg concludes that students spend a mean of 7 hours in school each day. Tara thinks the mean is 6 hours. Who is correct—Meg or Tara? Explain your answer in two or three sentences.

Answer 1

@Keyragrover

Answer 2

I just don't get what to do

Answer 3

You know what a mean is right

Answer 4

yes

Answer 5

Ok do that and see what you come up with

Answer 6

give me a minuet to calculate the mean

Answer 7

for sample a you have a mean of 100

Answer 8

and for sample b you have 100

so they both have the same mean

Answer 9

Yup