Central Tendency Quiz

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10 points

A really large outlier would cause which of the following to happen?

The mean would be larger than the median.

The range would be very small.

The mean would be smaller than the median.

There would be no mode.

5 points

A group of 10 students each brought money for the armchair fundraiser. The amounts they brought in were $15, $25, $20, $50, $5, $5, $1, $20, $5, $10. If an 11th student brought in money how much would they have to bring in order for the students to have donated $15 on average?

10 points

The mean is found by ___________.

putting the numbers in order then locating the one in the middle.

adding all the numbers and then dividing by how many numbers there are.

subtracting the biggest number minus the smallest number.

figuring out which number is on the list the most often.

10 points

What is the mode of this list of numbers? 32, 36, 21, 19, 36, 21, 12, 18, 26, 17, 45, 27

36 and 21

There is no mode.

10 points

A list of numbers that is very consistent would have _____.

A high range

A high mean

A low mode

A low range

10 points

What is the mean of this list of numbers? 25, 20, 14, 25, 16

100

10 points

Which of the following lists has an outlier?

2,13,13,15,16,17

4,4,4,4,4,4,4,4

9,9,10,10,12,14

10 points

The biggest number minus the smallest number is called the _________.

mode

range

mean

median

10 points

The number that is on the list the most often is called the _______.

range

median

mode

mean

10.

10 points

Mary had the following test scores: 86, 85, 32, 90, 87

The mean is larger than the median.

The mode is the largest measure of central tendency.

There is a very small range.

The median is larger than the mean.

11.

10 points

Which measure of central tendency could have ¨none¨ as an answer?

mean

median

mode

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