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WorksheetsData and Statistics Practice (IM3 Final)
Total questions: 20
Worksheet time: 20mins
What is the term for the median of the lower half of the data in a box and whisker plot?
Lower Quartile
Median
Upper Quartile
Maximum
Which data value is the upper quartile (Q3)?
66
62
64
58
What is the term for the median of the upper half of the data of a box and whisker plot?
Middle
Lower Quartile
Upper Quartile
Maximum
What is the interquartile range (IQR) of this box and whisker plot?
62
4
63
66
What is the minimum value of this box and whisker plot?
58
60
0
59
Based on the data in the histogram, how many workers get wages of 60-70?
14
16
100
40
Which class interval has the minmum frequency?
20-60
40-50
30-40
60-70
Based on the data in the histogram, how many people under 20 years of age visited the theater?
20
40
220
80
Based on the data in the histogram, how old is the youngest employee?
15
10
14
0
How many recent graduates make less than 44,000 dollars?
1000
400
55
88
Michael was investigating pigeons and calculated the wingspan of every 5th pigeon that he encountered. He found that 85% had a wingspan of about 29 in. Which type of sampling did Michael use?
Simple Random
Volunteer Sampling
Simple Systematic
Simple Cluster
A restaurant manager samples her employees by selecting all employees at Station 1 and Station 5 in the work kitchen. Which type of sampling did the restaurant manager use?
Simple Cluster
Simple Stratified
Simple Random
Simple Systematic
The teacher samples her class by picking 10 names from slips of paper in a bowl without looking at them. Which type of sampling is this?
Simple Random
Simple Systematic
Simple Cluster
Simple Stratified
Kiara is interested in people’s thoughts on the global issue of climate change. She asks the first 10 people she encounters, which type of sampling is this?
Simple Stratified
Convenience Sampling
Simple Random
Simple Systematic
The large group of people who we want to find information about through sampling is called:
Specimen
Population
Control Group
Median
Why would a histogram be skewed right?
The data is flawed.
There are no outliers.
The mean is greater than the median.
The mean is less than the median.
Why would a histogram be skewed left?
The mean is greater than the median.
The mean is less than the median.
There are too many outliers.
The data is flawed.
A group of high school students sits in at a preschool to study the productivity rates of young children throughout the day without influencing them in any way. Which type of study is this?
Experiment
Observational Study
Students in a biology lab study the growth rates of bean plants with different soil types. There is one group that is grown with traditional soil. Which type of study is this?
Experiment
Observational Study
A large food service company wants to figure out which work benefit plan its employees would prefer. Which method would be most likely to obtain an unbiased sample?
survey a random sample of employees from a the roster
invite all employees to indicate their choices by e-mail
place suggestion boxes at random locations in the company’s headquarters
assemble a group with one member from each department and record the preferences of these employees
