One-variable Statistics:Question 3
Mr. Burns compares the tests scores of two of his math
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Mathematics, 29.03.2021 15:50 arionaking59p71cfc
One-variable Statistics:Question 3
Mr. Burns compares the tests scores of two of his math
classes. The first class had a mean score of 82% and a
standard deviation of 6. The second class had a mean
score of 78% and a standard deviation of 4. Which
statement is true?
Select one:
O
The second class had a higher average score and the scores
of the first class were more consistent.
O
The second class had a higher average score and the scores
were more consistent
O
The first class had a higher average score and the scores of
the second class were more consistent.
о
The first class had a higher average score and the scores
were more consistent.
Answers: 3
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Answers: 1
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The height of a birch tree, f(x), in inches, after x months is shown in the graph below. how much does the birch tree grow per month, and what will be the height of the birch tree after 10 months? a. the birch tree grows 1 inch per month. the height of the birch tree will be 16 inches after 10 months. b. the birch tree grows 2 inches per month. the height of the birch tree will be 26 inches after 10 months. c. the birch tree grows 3 inches per month. the height of the birch tree will be 36 inches after 10 months. d. the birch tree grows 2 inches per month. the height of the birch tree will be 24 inches after 10 months.
Answers: 1
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