Log in
Sign up for FREE
arrow_back
Library

1.2 Measures of Centtal Tendency

star
star
star
star
star
Last updated over 5 years ago
8 questions
Note from the author:
1.2 Measures of Central Tendency
1
1
1
1
1
1
1
1
Watch the video above to learn about mean, median and mode.
Mrs. Hansen wanted to compare the amount of money she spent at the grocery store for the first 9 weeks and the second 9 weeks of the year . Using the information below, answer each question. Round all answers to the nearest tenth.

1st 9 weeks : 92, 85, 43, 100, 65, 78, 88, 92, 75
2nd 9 weeks : 86, 63, 95, 75, 92, 81, 87, 86, 95
Question 1
1.

What is the mean for 1st 9 weeks?

Question 2
2.

What is the mean for 2nd 9 weeks?

Question 3
3.

Which had the greater median?

Question 4
4.

What is the range of scores in 2nd 9 weeks?

Question 5
5.

What is the range of scores in 1st 9 weeks?

Question 6
6.

What is the mode(s) for 1st 9 weeks?

Question 7
7.

What is the mode(s) for 2nd 9 weeks?

Question 8
8.

Which class has the greater mean?