[Top Answer] MATH225N – Week 2 Assignment – Frequency Tables

Description

Week 2 Assignment: Frequency Tables

Objectives

2.1 Frequency Tables

• Constructing and understanding frequency tables for a set of data, given class limits
• Construct and understand cumulative relative frequency tables for a set of data

Activity 1

Question

William wishes to view a frequency table for grouped data using his monthly credit card statements for the last 20 months, shown below. Construct the table for William using six classes. 1184, 1247, 945, 1124, 1034, 1352, 1025, 1439, 1136, 1439, 1368, 1057, 1130, 1259, 1256, 1381, 838, 1342, 842, 1395

Activity 2

Question

A data set is summarized in the frequency table below. Using the table, determine the number of values less than or equal to 7 in the data set. Give your answer as a single number. For example if you found the number of values was 16, you would enter 16.

Activity 3

Question

The cumulative relative frequency table for a set of data is shown below.

What is the missing cumulative relative frequency?

Activity 4

Question

Given the relative frequency table below, which of the following is the corresponding cumulative relative frequency table?

Activity 5

Question

Given the relative frequency table below, which of the following is the corresponding cumulative relative frequency table?

Activity 6

Question

William wishes to view a frequency table for grouped data using his monthly credit card statements for the last 20 months, shown below. Construct the table for William using six classes. 1312, 1303, 809, 1477, 1263, 1444, 894, 1051, 1485, 1433, 1132, 1221, 1179, 945, 995, 1179, 1172, 1373,  906, 955

Activity 7

Question

A small startup company wishes to know how many hours, per week, that its employees spend commuting to and from work. The number of hours for each employee are shown below. Construct a frequency table for grouped data using four classes. 9, 18, 18, 14, 13, 4, 12, 9, 13, 10, 20, 12, 19, 20, 13, 3, 5, 20, 17, 1

Activity 8

Question

Given the relative frequency table below, which of the following is the corresponding cumulative relative frequency table?