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Q 1/11
Score 0
A given distribution is symmetric and bell-shaped with a single peak. It has a mean of 0 and a standard deviation of 1. This is a(n):
30
Empirical Rule
Normal Distribution
Standard Normal Distribution
Standardized Score
Q 2/11
Score 0
Mr. Korbelak doubled everyone's test scores by 5 points. What statistical measures changed?
30
Only Measures of Spread
Measures of Center AND Measures of Spread
Nothing Changed
Only Measures of Center
11 questions
Q.
A given distribution is symmetric and bell-shaped with a single peak. It has a mean of 0 and a standard deviation of 1. This is a(n):
1
30 sec
Q.
Mr. Korbelak doubled everyone's test scores by 5 points. What statistical measures changed?
2
30 sec
Q.
A given distribution is symmetric and bell-shaped with a single peak. It has a mean of 40 and a standard deviation of 0.25. This is a(n):
3
30 sec
Q.
Ms. Gunz increased (added to) everyone's test scores by 5 points. What statistical measures changed?
4
30 sec
Q.
Danny's score was 2.56 standard deviations above the mean score of his class's exam. Tyler's score was 0.52 standard deviations below the class mean. What are these values referencing?
5
30 sec
Q.
A certain distribution is normal with a mean of 30 and a standard deviation of 2. Kevin knows that 95% of the data lies between 26 and 34. What statistical law allows him to know this so easily?
6
30 sec
Q.
Kelly scored better than 68% of her peers on the math exam. This would be an example of a:
7
30 sec
Q.
The third quartile is equivalent to the _____ percentile.
8
30 sec
Q.
The first quartile is equivalent to the _____ percentile.
9
30 sec
Q.
Given value/score/height, asked for percentage/probability/proportion. I should use:
10
30 sec
Q.
Given percentage/probability/proportion, asked for value/score/height. I should use:
