Mean
Find the mean of the data set:
{42, 75}
Mean = 58.5
-100 Points
Find the median of the data set:
{10, 2, 8, 4, 6}
Median = 6
-100 Points
Find the mode in the data set:
{2, 5, 7, 2, 3, 7, 9, 1, 4, 7, 9, 3, 5}
Mode = 7
+ 100 Points
A: 4, 5, 7, 9, 10
B: 4, 5, 7, 9, 20
Which data set has the larger standard deviation?
B
Find Q3
4, 9, 12, 15, 16, 18, 20, 23, 28, 32
Find the mean of the data set:
{27, 68, 91}
Mean = 62
-200 Points
Find the median of the data set:
{5, 9, 1, 4, 8, 3, 6, 2, 7}
Median = 5
+200 Points
Find the mode in the data set:
{1, 3, 5, 2, 7, 9, 7, 4, 7, 6, 8, 7, 7, 10, 11, 7, 13, 6, 15, 6}
Mode = 6
-200 Points
Data set A has a standard deviation of 8
Data set B has a standard deviation of 10.7
Describe what this means
Set B has a larger spread of data and a larger range
Find Q1
124, 118, 73, 119, 117, 120, 120, 121, 118, 122
118
Find the mean of the data set:
{15, 42, 73, 88}
Mean = 54.5
-300 Points
Find the median of the data set:
{76, 52, 95, 82, 67, 48, 88, 63, 42, 71, 99, 37, 84}
Median = 71
+300 Points
Find the mode of the data set:
{1, 2, 3, 4, 2, 5, 6, 2, 7, 8, 9, 10, 2, 11, 12, 2, 13, 14, 15, 2, 16, 17, 2, 18, 19, 20, 2, 21, 22, 23}
Mode = 2
- 300 Points
Find the sample standard deviation
2, 5, 6, 9, 10, 11, 13
3.83
+100 Points
Find the IQR
2, 2, 4, 5, 6, 8, 10, 13, 16, 20
9
Find the mean of the data set:
{24, 37, 52, 68, 91}
Mean = 54. 4
-400 Points
Find the median of the data set:
{72, 54, 85, 63, 43, 92, 76, 28}
+400 Points
Find the mode of the data set:
{1, 2, 3, 4, 5, 6, 7, 9, 9, 9, 8, 9, 10, 9, 11, 12, 13, 14, 9, 15, 9, 16, 17, 18, 19, 20, 9, 21, 9, 22, 23, 24, 25, 26, 9, 27, 9, 28, 9, 29, 30, 9, 31, 32, 33, 9, 34, 9, 35, 36, 9}
Mode = 9
-400 Points
What is the difference between population and sample standard deviation?
Population is for a survey of a whole group. Sample is for a survey of just part of a group
Find the IQR
5, 1, 2, 6, 3, 3, 18, 4, 4, 1, 7, 2, 4
3.5
Find the mean of the data set:
{5, 10, 15, 20, 25, 30, 35, 40, 45, 50}
Mean = 27.5
+500 Points
Find the median of the data set:
{68, 32, 91, 47, 56, 79, 24, 85, 63, 42}
Median = 59.5
+500 Points
Find the mode of the data set:
{1, 2, 3, 4, 4, 4, 5, 6, 7, 4, 8, 9, 10, 4, 11, 12, 13, 14, 4, 15, 16, 4, 17, 18, 4, 19, 20, 21, 4, 22, 23, 24, 4, 25, 26, 27, 28, 4, 29, 30, 4, 31, 32, 4, 33, 34, 35, 4, 36, 37, 38, 4, 39, 40, 41, 42, 4, 43, 44, 45, 4, 46, 47, 48, 4, 49, 50, 51, 4, 52, 53, 54, 4, 55, 56, 57, 58, 4, 59, 60, 61, 4, 62, 63, 64, 4, 65, 66, 67, 68, 4, 69, 70, 71, 72, 4, 73, 74, 75, 4, 76, 77, 78, 4, 79, 80, 81, 4, 82, 83, 84, 85, 4, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100}
Mode = 4
+500 Points
Find the population standard deviation
71, 85, 62, 54, 37, 49, 92, 85, 67, 89
96, 44, 67, 62, 75, 84, 71, 63, 69, 81
15.8
State the outlier/s
10, 9, 15, 14, 10, 17, 15, 0, 12, 14, 8, 15, 15, 11, 13
0