[Top Answer] MATH225N – Week 3 Assignment – Measures of Central Tendency

Description

Week 3 Assignment: Measures of Central Tendency

Objectives

3.1 Measures of Central Tendency

• Find the mean of a set of data
• Find the median of a set of data
• Find the mode of a set of data

Activity 1

Question

Find the mode of the following hourly wages (in dollars) of randomly selected employees at an accounting office.

15,15,18,15,11,18,7,17,17,7

Activity 2

Question

The football coach wants to know the average number of points scored by the team in their last few games. The scores are listed below.

29,17,39,40,24,25,19,23

Find the mean points scored.

Activity 3

Question

Find the mode of the following number of chocolates eaten by each guest at a birthday party.

11,14,12,14,10,12,10,10,12,12,11,6

Activity 4

Question

The basketball coach wants to know the average number of points scored by the team in their last few games. The scores are listed below.

47,57,52,56

Find the mean points scored.

Activity 5

Question

Given the following list of data, find the median.

22,33,17,8,17,29,18,13,26,28

Activity 6

Question

Find the median of the following list of dollars spent per customer at a deli in the last hour.

21,7,13,8,16,30,10

Activity 7

Question

Find the median of the following set of data.

32,19,21,16,27,15

Activity 8

Question

Given the following list of data, find the median.

1,3,1,23,2,4,22,13,26,8

Activity 9

Question

An art collector bought 20 paintings at an art fair and wants to know the average price of the paintings she purchased at the fair. She adds the prices of all the paintings and divides this number by 20 to find an average price of $350. Is this price a sample mean or a population mean, and which symbol would be used to denote it?

Activity 10

Question

A teacher randomly selects 10 out of her 30 students and finds that the mean height of those 10 students is 5′2″. Is this a sample mean or a population mean, and which symbol would be used to denote it?

Activity 11

Question

Find the mode of the following number of paper clips found by each participant during a scavenger hunt.

15,12,20,19,20,15,7,12,7,19,15

Activity 12

Question

Each person in a group shuffles a deck of cards and keeps selecting a card until an ace appears. Find the mode of the following number of cards drawn from a deck until an ace appears.

14,10,7,14,9,9,10,12,9,7,12