ACC Unit 8 Quiz Study Guide
Quiz Date: Tuesday May 10, 2016
Topics:
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All Topics from Unit 1, Unit 2, Unit 3, Unit 4, Unit 5,
Unit 6, and Unit 7
Statistical Questions
Creating Line Plots
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Frequency Tables and Histograms
Calculating Mean, Median, Mode, Range
Describing Center, Variability and Shape
Some of this material can be found in Chapter 3 of the textbook.
*To study, you should complete odd numbered problems from the back of the textbook so that you can check if you got the correct
answer. Selected answers begin on Pg. SA1.
Vocabulary:
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All vocab from Units 1, 2, 3, 4, 5, 6 and 7
Histogram
Frequency Table
Relative Frequency
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Cumulative Frequency
Skewed Data
Symmetrical Data
Statistical Questions, Numerical and Categorical Data:
1. Determine if the following questions are statistical (Y) or not statistical (N):
______ a. What is your favorite ice cream flavor?
______ b. What is the average 6th grader’s favorite ice cream flavor?
______ c. Which 6th grader lives the farthest from school?
______ d. How far does a typical MJS teacher live from school?
2. Determine if the following statistical questions require numerical data (N) or categorical data (C):
______ a. How many siblings does the typical 6th grader have?
______ b. How many streets will the average 6th grader cross while walking to school?
______ c. What is the average 6th grader’s favorite movie?
______ d. What car does the typical MJS teacher drive?
Line Plots:
3. Below is a line plot showing the number of
situps each student in 3rd period gym can do in
one minute. Find the mean, median, mode, and
range for the data.
3rd Period Gym Class
4. Below is a line plot showing the number of
books each student in Mrs. Green’s class read
over the summer. Find the mean, median,
mode, and range for the data.
Mrs. Green’s Class
5. Create a line plot containing the following:
a. The number of pairs of sneakers of the 12 students in Mr. Jones’ class. Mode: 14, Median: 17
b. The number of uncles each of Mrs. Carter’s 9 students have. Mean: 2, Range: 7
c. The number of cars each family has. Mode: 4, Median: 3, Range: 5
Frequency Tables:
6. The number of calls from motorists per day for roadside service was recorded for the month of December
2013. The results were as follows:
Complete the frequency table and calculate the relative frequency for each interval:
Interval
Tally
Frequency Relative Frequency
0-39
40-79
80-119
120-159
160-199
7. Jack tabulated the number of cars sold in a work week by an automobile company. Use cumulative
frequency to find the total number of cars sold in that week.
Day Number of cars sold Cumulative Frequency
1
7
2
9
3
15
4
4
5
12
Histograms:
8. The data blow represents the top 15 scores from 7th period gym class. Create a histogram to represent
the data.
87, 94, 93, 88, 91, 97, 91, 90, 91, 87, 89, 94, 91, 86, 93
a. Describe the distribution of the data.
b. Which measure of center would you use to represent
this data?