Study Guide Unit 11 Statistics
Quiz
•
Mathematics
•
11th Grade
•
Practice Problem
•
Hard
+2
Standards-aligned
Carrie Ramos
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16 questions
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1.
MATCH QUESTION
5 mins • 1 pt
Convenience Sampling
Only subjects that are nearby or easy to get to are chosen.
Cluster Sampling
A population is divided into clusters and entire clusters are chosen as the sample
Categorical Variable
a systematic error in a study caused by the sampling method
Control Group
a group of subjects who are not exposed to the variable under study
Bias
data that fall into categories, or that indicate a qualitative rather than quantitative attribute
Tags
CCSS.HSS.IC.B.3
2.
MATCH QUESTION
5 mins • 1 pt
A rule is used to select members of a sample.
Quantitative Variable
numerical data that can be compared, added, subtracted or otherwise operated on
Systematic Sampling
a measure that describes a population
Statistical Variable
quantity or quality that can be measured or counted
Experiment
involves applying a treatment to some group or groups and measuring the effects of treatment
Parameter
Tags
CCSS.HSS.IC.B.3
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Researchers randomly choose two groups from 16 volunteers. Over a period of 10 weeks, one group
watches television before going to sleep, and the other does not. Volunteers wear monitoring devices while
sleeping, and researchers record dream activity. Which type of study method is described in each situation?
survey
controlled experiment
observational study
Tags
CCSS.HSS.IC.B.3
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
The scores on an exam are normally distributed, with a mean of 77 and a standard deviation of 7. What
percent of the scores are greater than 84?
84%
16%
68%
2.5%
Tags
CCSS.HSS.ID.A.4
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Why is the following a statistical question?
How many plays do students see in a year?
Different students can see different
numbers of plays in a year.
Some students might not see any plays in
a year.
The question asks about only one year.
Some students might not like seeing
plays.
Tags
CCSS.6.SP.A.1
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
List the mean, standard deviation, and five-number summary of the following data set. Use a spreadsheet to
calculate the standard deviation.
6, 10, 14, 3, 8, 10, 3, 6, 9, 6
mean: 8.3; standard deviation: 3.2
min: 3; Q1: 6; median: 7; Q3: 10; max: 14
mean: 7.5; standard deviation: 3.2
min: 3; Q1: 6; median: 8.3; Q3: 10; max: 14
mean: 7.5; standard deviation: 3.6
min: 3; Q1: 6; median: 7; Q3: 10; max: 14
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
List the mean, standard deviation, and five-number summary of the following data set. Use a spreadsheet to
calculate the standard deviation.
12, 10, 13, 14, 9, 6, 6, 6, 4, 7
mean: 8.7; standard deviation: 3.6
min: 4; Q1: 6; median: 8; Q3: 12; max: 14
mean: 8.7; standard deviation: 3.3
min: 4; Q1: 6; median: 9.7; Q3: 12; max: 14
mean: 9.7; standard deviation: 3.3
min: 4; Q1: 6; median: 8; Q3: 12; max: 14
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