Which process describes finding the mean?

add up the numbers and divide by how many numbers

Which is a good definition of probability?

how likely something is to happen

Which choice best fits for the meaning of median?

the middle number (in a sorted list of numbers)

In statistics, what is the range?

the difference between the lowest and highest values

What would you do to find the median value?

place the numbers in value order and find the middle

the number which appears most often in a set of numbers

How would you find the mode in a list of numbers?

put the numbers in order, then count how many of each number

the study of data: collecting, summarizing, presenting

To find the range you would:

subtract the lowest value from the highest value

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Basics of Statistics

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Basic definitions of statistical terms and practice questions for mean, mode, median, range and probability.

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Questions 21

Answers

1
Which process describes finding the mean?
add up the numbers and divide by how many numbers
find the total of the most common number
total the lowest and highest numbers and divide by 2
add up all the numbers
2
Which is a good definition of probability?
the total of the mean, median and mode
how likely something is to happen
what happens
when something happens
3
Which choice best fits for the meaning of median?
the number appearing most often
the middle number (in a sorted list of numbers)
an average of all the numbers
the average of the highest and lowest numbers
4
In statistics, what is the range?
the middle number
the number with the highest value
the difference between the lowest and highest values
the frequency of the numbers
5
What is the probability of rolling a 5 on a die?
1 out of 6 chance
5 out of 6 chance
2 out of 6 chance
1 out of 5 chance
6
Find the mode of these numbers (2,3,4,5,4,7,7,4,9,3,4,7,6)
21
7
4
16
7
What would you do to find the median value?
use the average of the mean and mode
place the numbers in value order and find the middle
add up the numbers and divide by how many numbers
total all the numbers
8
What is the mode?
the average of all numbers
the number which appears most often in a set of numbers
a kind of transportation
the average distance between numbers in a list
9
The mean of this set of numbers (5,5,5,7,7,7,12,12,12) is?
7
all three numbers
72
8
10
What is the mean of these 5 numbers (3,7,16,23,41)?
the mean is 90
the mean is 16
the mean is 38
the mean is 18
11
How would you find the mode in a list of numbers?
add the lowest and highest number
use the middle number
subtract the lowest number from the highest number
put the numbers in order, then count how many of each number
12
What is the mode of this set of numbers (3,3,3,3,3,4,7,7,9,12,12,12)?
3
9
78
3, 7 and 12
13
What is statistics?
the study of math facts
the study of how numbers came to be
the study of collections
the study of data: collecting, summarizing, presenting
14
How do you find the median when there are two middle numbers?
use both of them
average the middle numbers
go to the next numbers
total the two numbers
15
What is the median number in this list (21,3,17,12,15,6,7,26,11,8,13)
6
7
15
12
16
What is the median of this set of numbers (1,33,45,77,89,123,240)?
239
608
77
76
17
What is the mean?
the middle number
the average of the numbers
the lowest number
a total of all the numbers
18
What is the range in this set of numbers (4,7,12,12,33,64)?
60
132
22
12
19
Find the range for these numbers: (12,14,23,57,69,841)
1016
853
23 and 57
829
20
Which choice describes the most likely probability that something will happen?
3 out of 10 chance
2 out of 10 chance
8 out of 10 chance
5 out of 10 chance
21
To find the range you would:
add up the numbers between each set of numbers
subtract the lowest value from the highest value
add all the numbers
find the middle number and add the lowest and highest number

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