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WorksheetsData Analysis (Statistics) "Crash Course" Quiz
Total questions: 102
Worksheet time: 2hrs 10mins
the average of a list of numbers
mean
median
mode
range
sum
the middle number in an ascending list of numbers
mean
median
mode
range
sum
the most frequently occurring element in the data
mean
median
mode
range
sum
the distance of the higest and lowest values in the data
mean
median
mode
range
sum
the result of adding two or more numbers
mean
median
mode
range
sum
the highest value from a list of numbers
mean
median
mode
maximum
minimum
the lowest value from a list of numbers
mean
median
mode
maximum
minimum
If there is an even number of elements, there will be two numbers in the middle. Given those two numbers, how do you find the median?
take the largest number
take the smallest number
take the average of the numbers
add the numbers
take the difference of the numbers
If you are given a set of data, how to you find the sum?
take the largest number
take the smallest number
take the average of the numbers
add the numbers
take the difference of the numbers
If you are given a set of data, how do you find the maximum?
take the largest number
take the smallest number
take the average of the numbers
add the numbers
take the difference of the numbers
If you are given a set of data, how do you find the minimum?
take the largest number
take the smallest number
take the average of the numbers
add the numbers
take the difference of the numbers
If you are given a set of data, how do you find the mean?
take the largest number
take the smallest number
take the average of the numbers
add the numbers
take the difference of the numbers
If you are given the maximum and minimum of a set of data, how do you find the range?
take the largest number
take the smallest number
take the average of the numbers
add the numbers
take the difference of the numbers
Given the data:
3, 5, 6, 6
What is the mean?
3
5
5.5
6
20
Given the data:
3, 5, 6, 6
What is the median?
3
5
5.5
6
20
Given the data:
3, 5, 6, 6
What is the mode?
3
5
5.5
6
20
Given the data:
3, 5, 6, 6
What is the sum?
3
5
5.5
6
20
Given the data:
3, 5, 6, 6
What is the minimum?
3
5
5.5
6
20
Given the data:
3, 5, 6, 6
What is the maximum?
3
5
5.5
6
20
Given the data:
3, 5, 6, 6
What is the range?
3
5
5.5
6
20
What does this symbol represent?
Standard Deviation
Variance
Mean Absolute Deviation
Sigma
What is the standard deviation for the data given:
{12, 13, 29, 18, 61, 35, 21}
293.67
15.87
17.14
41.98
5,11,2,12,4,2
How do you find the median of a data set that has two middle numbers?
You pick the higher middle number
You pick the lower middle number
Add the two middle numbers and divide it by 2
Subtract the two middle numbers and divide by 2
Which measure of central tendency would best represent this data?
Mean
Median
Mode
Range
Which of the following is a disadvantage of the Empirical Rule?
There is no result for 3 standard deviations.
It is very conservative.
There is no result for 1 standard deviation.
The data has to be approximately normal.
When labeling the axis for a normal distribution curve, the notation σ is used to represent standard deviation. What is this Greek letter σ called?
Omega
Delta
Lowercase Sigma
Lowercase Omega
Then, 68% of all tires will have a life between ___________ km and __________ km.
About what percent of the products last between 12 and 15 days?
Use the following information and the Empirical Rule to estimate the answer.
The ages of golfers are normally distributed, with a mean of 38 and a standard deviation of 4.
Find the proportion of golfers that are between 30 and 46 years old.
68%
94%
95%
99.7%
Use the following information and the Empirical Rule to estimate the answer.
The ages of golfers are normally distributed, with a mean of 38 and a standard deviation of 4.
Find the proportion of golfers that are older than 42.
13.5%
16%
50%
85%
Use the following information and the Empirical Rule to estimate the answer.
The ages of golfers are normally distributed, with a mean of 38 and a standard deviation of 4.
There are 500 golf members at the Mathy Country Club. How many are younger than 34?
16
80
100
150
Calculate the MEAN for the data set: 6, 7, 12, 8, 7, 4, 8, 8, 7
7
7.44
8
7 and 8
Calculate the MEDIAN for the data set: 6, 7, 12, 8, 7, 4, 8, 8, 7
7
7.44
8
7 and 8
Calculate the MODE for the data set: 6, 7, 12, 8, 7, 4, 8, 8, 7
7
7.44
8
7 and 8
Calculate the RANGE for the data set: 6, 7, 12, 8, 7, 4, 8, 8, 7
7
7.44
8
7 and 8
How many 7th graders had an IQ score in the 81-90 range?
13
6.5
3
42
What was the most common IQ range?
91-100
111-120
12-130
101-110
Owen was asked to write down the number of pull-ups that 7 of his classmates could do. He wrote down: 3, 2, high, low, 6, 1, 8. Owen said that "high" was greater than 6 and "low" was less than 2. Find the median.
2
3
2.5
Cannot be determined.
On a recent test, one class of 26 students had a mean score of 78%, while another class of 32 students had a mean score of 86%. What is the overall mean of the two classes combined?
82
82.4
81
83
Use the following information and the Empirical Rule to estimate the answer.
The ages of golfers are normally distributed, with a mean of 38 and a standard deviation of 4.
Find the percentage of golfers that are between 30 and 46 years old.
68%
94%
95%
99.7%
Use the following information and the Empirical Rule to estimate the answer.
The ages of golfers are normally distributed, with a mean of 38 and a standard deviation of 4.
There are 500 golf members at the Mathy Country Club. How many are younger than 34?
16
80
100
150
What is the standard deviation of this distribution? (how far is it from the mean to the first stdev line?)
1010
20
60
40
Then, 68% of all tires will have a life between ___________ km and __________ km.
The shelf life of a particular dairy product is normally distributed with a mean of 12 days and a standard deviation of 3 days.
About what percent of the products last between 6 and 18 days?
68%
95%
99%
2.5%
What does this symbol represent?
Standard Deviation
Mean
What does this symbol represent?
Standard Deviation
Mean
Given a mean of 75 and a standard deviation of 7, what percentage of scores are between 54 and 96?
34%
99.7%
95%
2.5%
Which of the following is a disadvantage of the Empirical Rule?
There is no result for 3 standard deviations.
It is very conservative.
There is no result for 1 standard deviation.
The data has to be approximately normal.
When labeling the axis for a normal distribution curve, the notation σ is used to represent standard deviation. What is this Greek letter σ called?
Omega
Delta
Lowercase Sigma
Lambda
The average height of women in the United States is 62 inches with a standard deviation of 2 inches. What is the height of a woman who is 3 standard deviations above the mean?
58 inches
56 inches
66 inches
68 inches
This data is:
Approximately normally distributed
Not normally distributed
What is the interquartile range (IQR)?
20
25
30
50
What percentage of the data is between 90 and 140?
25 %
50%
75%
100%
What percentage of the data is between 40 and 90?
25 %
50%
75%
100%
What percent of the data is between 30 and 35 on the number line?
25%
50%
75%
100%
If 60 values were used for the data, about how many data values are greater than the 1st quartile?
15
30
45
60
The mode of the data is found at which number?
0
10
3 & 5
6 & 7
Students recorded the amount of minutes they spend watching TV. Using the box plot shown above, what is the first quartile?
30
24
60
78
The faculty of BMS were asked to state their age. The results are shown above in the box plot. What is the minimum age found in the box plot?
23
33
42
20
Mr. Fisk, Ms. Martinez, and Mrs. Smeltzer, gathered every 6th grade math score on the test they took, which is shown in the box plot above. What is the median score the 6th grade students received?
64
70
84
72
The box plot shown above shows the length of time (minutes) children spent in the swimming pool. What is maximum amount of time the children spent in the swimming pool?
95
70
77.5
50
Students were asked how many minutes they spent reading last night for ELA. Using the box plot above, what is the third quartile?
47.5
40
75
50
How do I find the Interquartile Range (IQR) on a box plot?
Add the min. and max.
Add Q1 and Q3
Subtract Q1 and Q3
Subtract the min. and max.
Based on the box plot above, how do I find the IQR?
45 - 33
45 + 33
23 + 58
58 - 23
Students recorded the amount of minutes they spend watching TV. Using the box plot shown above, what is the median?
72
120
60
78
The box plot shown above shows the length of time (minutes) children spent in the swimming pool. What is median amount of time the children spent in the swimming pool?
50
30
40
77
The faculty of BMS were asked to state their age. The results are shown above in the box plot. What is the first quartile from the box plot?
23
33
42
20
Mr. Fisk, Ms. Martinez, and Mrs. Smeltzer, gathered every 6th grade math score on the test they took, which is shown in the box plot above. What is the third quartile score the 6th grade students received?
64
70
84
72
Using the box plot above, how would I find the Interquartile Range (IQR)?
50-30
60-30
60+30
80-20
Using the box plot above, what is the median amount of stuffed animals owned by students?
50
30
60
20
What does median mean?
In the middle
When you add it all up and divide by how many numbers you just added
Smallest number minus the biggest number
most repeated number
What does range mean?
In the middle
When you add it all up and divide by how many numbers you just added
Smallest number minus the biggest number
most repeated number
