Multiple Choice
What does it mean to calculate frequencies within a dataset?
(1 point)
• to count the number of times a dataset is used by a student
O to calculate the product of two variables to make a third variable
• to count the number of cases that fall into different subgroups within a dataset
• to calculate the sum of a column of variables in a dataset
• to count the number of cases that fall into different subgroups within a dataset
What is a histogram?
(1 point)
• a detailed history of the origins of a dataset
• a unit of measurement that aids comparison of different variables
O a bar or column chart that visually displays frequencies
• away of displaying data in a table
a bar or column chart that visually displays frequencies
Name
Age
Gender
Bob
40
M
Eye Color
brown
Hair Color
Use the data table to answer the question.
blonde
3. Cathy
37
4. Samantha
51
F
F
blue
brown
brown
brown
5
Robin
46
F
brown
black
What is the frequency of brown-haired people in the sample?
(1 point)
• 3 and 4
0 2
0 4
3
The frequency of brown-haired people in the sample is 4.
Imagine that you are creating a frequency table for the following age ranges:
Two people fall within 40 years of age and younger.
Two people fall within 41-60 years of age.
One person falls within 61 years of age and older.
What would the correct frequency table look like?
(1 point)
40 and younger
41-60
61 and older
2
2
40 and younger
41-60
61 and older
2
2
40 and younger
41-60
61 and older
3
40 and younger
41-60
61 and older
40 and younger: 2
41-60: 2
61 and older: 1