Measures Of Central Tendency Assessment
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Math 1 Test that covers MM1D3a, b, c and MM1D4.
- 1.Find the mean of the data below. 7, 23, 11, 32, 9
- A.
11
- B.
16.4
- C.
25
- D.
7
- 2.If a data set has an outlier, which measure of central tendency would be the best measure of the middle to use?
- A.
Mean
- B.
Median
- C.
Mode
- D.
Range
- 3.Which of the following statements is NOT true about the two data sets below? Set A: 156, 175, 122, 141, 178, 111 147.17 148.5 Set B: 189, 210, 167, 100, 125, 143 155.67 155
- A.
The mean for Set A is approximately 9 more than Set B.
- B.
The man for Set A is approximately 9 less than Set B.
- C.
The median for Set A is 148.5.
- D.
The median for Set B is approximately 6 more than Set A.
- 4.Which data set has a larger spread in the top 25%? Joy: 52, 67, 73, 81, 83, 89, 93 Chrystal: 68, 72, 73, 79, 84, 85 Jacob: 72, 75, 78, 81, 85, 89, 98 Sasha: 88, 89, 92, 95, 95, 96, 100
- A.
Joy
- B.
Chrystal
- C.
Jacob
- D.
Sasha
- 5.Your county is conducting a survey to determine the mean annual income per household. Which of the following sampling methods would be more likely to result in a representative sample?
- A.
A phone survey of 100 people between 2 and 3 pm.
- B.
Survey's sent to 100 single family homes.
- C.
Survey's sent to 100 homes that were randomly selected from a database of all county adults.
- D.
None of these
- 6.Find the MAD for the data set below. 18, 15, 24, 12, 29, 31, 24, 19, 27
- A.
22.1
- B.
48.9
- C.
5.43
- D.
24
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