8 Questions |
By Jensenmath9 | Last updated: Jan 23, 2014
| Total Attempts: 361
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Questions and Answers
1.
What is the mean of the following set of data? (round to 1 decimal place)
5, 7, 7, 8, 12, 16
2.
What is the median of the following set of data?
5, 7, 7, 8, 12, 16
3.
What is the mode of the following set of data?
5, 7, 7, 8, 12, 16
4.
The MDM4U mark breakdown is as follows: 40% tests, 20% assignments, 10% ISU, 30% exam. If you have the following averages for each category, what mark would you receive at the end of the course? Round the PERCENT to 1 decimal place.
Tests - 87%
Assignments - 90%
ISU - 80%
Exam - 71%
5.
A sample of hockey players were asked how old they were when they learned to skate. The results were then reported in a frequency distribution. Calculate the mean age to one decimal place.
Age
0-4
5-9
10-14
15-19
20-24
25-29
Frequency
6
8
3
5
2
1
6.
In a distribution that is skewed left, the mean is...
A.
Less than the median
B.
Greater than the median
C.
Equal to the median
D.
It depends
7.
If there are outliers in your data, which measure of central tendency is the most appropriate to use?
A.
Mean
B.
Median
C.
Mode
8.
For qualitative data, which measure of central tendency is most appropriate to use?
Measures of central tendency help you find the middle, or the average, of a data set. The 3 most common measures of central tendency are the mean, median and mode. The mode is the most frequent value. The median is...