Empirical Rule Quiz
Authored by Janet Betterton
Mathematics
University
CCSS covered
Used 7+ times
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40 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
68% of the marks in a test are between 51 and 64
Assuming this data is normally distributed, what are the mean and standard deviation?
Mean = 57 S.D. = 6.5
Mean = 57 S.D. = 7
Mean = 57.5 S.D. = 6.5
Mean = 57.5 S.D. = 13
Tags
CCSS.HSS.ID.A.4
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
95% of students at school weigh between 62 kg and 90 kg.
Assuming this data is normally distributed, what are the mean and standard deviation?
Mean = 66 kg S.D. = 7 kg
Mean = 76 kg S.D. = 7 kg
Mean = 86 kg S.D. = 7 kg
Mean = 76 kg S.D. = 14 kg
Tags
CCSS.HSS.ID.A.4
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
According to the empirical rule, what percentage of data falls within 1 standard deviation?
25%
68%
95%
99.7%
Tags
CCSS.HSS.ID.A.4
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
The mean GPA of students in a course at UCDavis is 3.2 with a standard deviation of 0.3. What percent of students in the course have a GPA between 2.9 and 3.8?
81.5%
47.5%
68%
95%
Tags
CCSS.HSS.ID.A.4
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Between what two standard deviations of a normal distribution contain 95% of the data?
one below and one above
two below and two above
two below and zero
zero and two above
Tags
CCSS.HSS.ID.A.4
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
The shelf life of a particular dairy product is normally distributed with a mean of 12 days and a standard deviation of 3 days.
About what percent of the products last between 12 and 15 days?
68%
34%
16%
2.5%
Tags
CCSS.HSS.ID.A.4
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which best describes the shaded part of this normal distribution graph?
All data that is one or higher.
All data that is one or more standard deviations above the mean.
All data that is between 1 and 3.
All data that is above the mean.
Tags
CCSS.HSS.ID.A.4
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