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Statistics Quiz
Test Description: With this game you will test your skills about Statistics, its parameters and basic concepts. Good luck
Instructions: Answer all questions to get your test result.
1) The whole group of units that you are going to study is...
A
The absolut frequency
B
The population
C
A Individual
D
The sample
2) A quantitive statistical variable is...
A
A variable that you can not describe
B
A variable that you can describe with numbers.
C
A variable that you can describe with words.
D
A variable that you can describe only with pictures.
3) Qualitatives varibles take on values that are...
A
Numbers and labels
B
Numbers
C
Numbers and words
D
Names or labels (words)
4) Quantitive variables can be cassified as...
A
Qualitatives or discrete
B
Can not be classified
C
Quantitatives or continuos
D
Discrete or continuos
5) Four friends take an IQ test. Their scores are 96, 100, 106, 114. What is the mean?
A
103
B
106
C
104
D
100
6) Look at this serie of data: 12, 23, 10, 11, 8, 15, 10, 9. What is the median?
A
12
B
23
C
10.5
D
11.5
7) Look at this serie of data: 8, 23, 10, 11, 8, 15, 10, 9, 10. What is the mode?
A
9
B
8
C
23
D
10
8) A simple random sample consists of four observations: 1, 3, 5, 7. Based on these sample observations, what is the best estimate of the standard deviation of the population?
A
6.67
B
2.58
C
2
D
6
9) What is the mode and mean for the following set of numbers? 4,9,8,2,16,4,4,8,9,6
A
mean = 7, mode =8
B
mean = 7, mode =4
C
mean = 8, mode =9
D
mean = 6, mode =8
10) What type of graphical representation would be best to display the following data? Between 0 and 10 years old there are 2 people, between 10 and 20 there are 8 people , between 20 and 30 there are 8 people.
A
Histogram
B
Line graph
C
Bar graph
D
Stem and leaf plot
*select an answer for all questions
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