Probability and Statistics Semester Exam A 2024

Front

How do you group tally marks together?

Back

by fives

Front

How many tally marks are represented by this group? (|| || || || || || || || || || || || ||)

Back

13

Front

What is the range of the set: 49, 68, 62, 47, 39, 54, 43?

Back

29

Front

What is this type of graph called? (Image of a line plot)

Back

a line plot

Front

What is the first step when looking at a data set?

Back

Put the data in ascending order

Front

What is the mean of the set: 4, 8, 6, 5, 7?

Back

6

Front

What is the median of the set: 3, 1, 4, 2, 5?

Back

3

Front

What is the mode of the set: 2, 3, 4, 2, 5, 2, 6?

Back

2

Front

What is a bar graph used for?

Back

To compare different categories of data.

Front

What does a circle graph (pie chart) represent?

Back

Proportions of a whole.