Standard Deviation of Grouped Data
Authored by Gerald Mbatha
Mathematics
11th Grade
Used 1+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Given the following grouped data, calculate the mean: | Class Interval | Frequency | |----------------|------------| | 10-20 | 5 | | 20-30 | 8 | | 30-40 | 12 | | 40-50 | 6 |
30
32
28
34
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Given the following grouped data, calculate the standard deviation: | Class Interval | Frequency | |----------------|------------| | 10-20 | 3 | | 20-30 | 7 | | 30-40 | 9 | | 40-50 | 6 |
10
12
11
9
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Given the following grouped data, calculate the mean: | Class Interval | Frequency | |----------------|------------| | 0-10 | 2 | | 10-20 | 4 | | 20-30 | 6 | | 30-40 | 8 |
20
25
15
30
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Given the following grouped data, calculate the standard deviation: | Class Interval | Frequency | |----------------|------------| | 0-10 | 4 | | 10-20 | 6 | | 20-30 | 8 | | 30-40 | 10 |
8
9
10
11
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
For the grouped data below, what is the mid-point of the class interval 30-40? | Class Interval | Frequency | |----------------|------------| | 10-20 | 5 | | 20-30 | 8 | | 30-40 | 12 | | 40-50 | 6 |
30
35
40
45
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Given the following grouped data, calculate the mean: | Class Interval | Frequency | |----------------|------------| | 5-15 | 3 | | 15-25 | 5 | | 25-35 | 7 | | 35-45 | 9 |
25
30
20
35
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Given the following grouped data, calculate the standard deviation: | Class Interval | Frequency | |----------------|------------| | 5-15 | 5 | | 15-25 | 7 | | 25-35 | 9 | | 35-45 | 11 |
9
10
11
12
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