
CCSS.Math.Content.HSS.ID.A.4
Quiz
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Mathematics
•
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Hard
Standards-aligned
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20 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
The mean temperature in Glens Falls for the month of February is 23 degrees with a standard deviation of 4.2 degrees. Approximately what percent of the days in February would be between 24 and 30 degrees?
Tags
CCSS.Math.Content.HSS.ID.A.4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the mean?
Tags
CCSS.Math.Content.HSS.ID.A.4
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The z-score represents.....
Tags
CCSS.Math.Content.HSS.ID.A.4
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Suppose the heights of adult men are normally distributed. The heights of a sample of 30 men are shown below in inches.
65, 83, 69, 67, 69, 67, 67, 72, 85, 68, 73, 65, 67, 65, 72, 71, 67, 73, 68, 72, 61, 75, 66, 78, 65, 71, 68, 76, 67, 68
Compute the standard deviation of the sample.
5.31
70
5.23
68
Tags
CCSS.Math.Content.HSS.ID.A.4
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
At a local high school, GPA's are normally distributed with a mean of 2.9 and standard deviation of 0.6. What percentage of students at the high school have a GPA between 2.3 and 3.5?
Tags
CCSS.Math.Content.HSS.ID.A.4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The negative standard deviations on a normal distribution curve mean what?
Below average
Above average
Average
Tags
CCSS.Math.Content.HSS.ID.A.4
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Let X be a random variable that has a skewed distribution with mean µ = 10 and standard deviation σ = 10. Based on random samples of size 400, the sampling distribution of X is
highly skewed with mean 10 and standard deviation 10
highly skewed with mean 10 and standard deviation 5
highly skewed with mean 10 and standard deviation 0.5
approximately normal with mean 10 and standard deviation 10
approximately normal with mean 10 and standard deviation 0.5
Tags
CCSS.Math.Content.HSS.ID.A.4
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