Mean, Median, Mode
This measurement is the number that occurs the most
The mode
What is your outlier?
4,7,30,3,6,1,7
30
What is the greek letter that denotes standard deviation?
Sigma σ
58 + 79 + 85 added together is 222, then divided by 3 is 74, what is that number in this context?
mean
Alex has 3 nickels, 5 dimes, and 2 quarters. How much money does Alex have?
$1.15
Find the mean of the following set of data: 13, 23, 21, 20, 21, 24, 18
the mean is 20
What is your outlier?
22,28,27,26,22,23,2,24,29,30,29,27,26,23,31,30,27,24
2
Standard deviation measures ________
spread
I have 3 tests. I know the average is 83. I know two test scores were 85 and 77. What was the third score?
87
Alex has 3 nickels, 5 dimes, and 2 quarters. Find the range of Alex's coins. Answers is a number.
0.20
Find the median of the following set of data: 13, 23, 21, 20, 21, 24, 18
The median is 23.
What is your outliers?
2,8,7,4,1,3,5,4,0,1,6,7,2,4,5,9,
2,4,6,5,22,7,9,5,2,5,4,7,6,2,1,4
22
What do I type into desmos to get standard deviation?
stdev( )
I have 4 tests. I know the average is 62. I know three test scores were 55,66, and 77. What was the fourth score?
50
Alex has 3 nickels, 5 dimes, and 2 quarters. Find the median of Alex's coins. Answers is a number.
0.1
This measurement resists outliers.
The median.
What is your outlier?
98, 88 , 89, 92, 93, 97, 99, 100, 101, 89, 93
No outliers
What's the standard deviation of this data?
5,3,7,9,5,7,6
1.9
I have 5 tests. I know the average is 78. I know four test scores were 62,72,80, and 90. What was the fifth score?
86
Alex has 3 nickels, 5 dimes, and 2 quarters. Find the mode of Alex's coins. Answers is a number.
0.1
This measurement does NOT resist outliers.
The mean.
What are your outliers?
55, 57 ,60, 62, 54, 5, 56, 59, 55, 58, 52
5 and 90
What is the standard deviation of this data (10,12,11,14,16,15,22,12,0) ?
5.87 or rounded to 5.9
I have 6 tests. I know the average is 76. I know five test scores were 70,80,64,55, and 90. What was the fifth score?
97
Alex has 3 nickels, 5 dimes, and 2 quarters. Find the mean of the values of Alex's coins. Answers is a number.
11.5