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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 sample
B
The population
C
A Individual
D
The absolut frequency
2) A quantitive statistical variable is...
A
A variable that you can not describe
B
A variable that you can describe only with pictures.
C
A variable that you can describe with words.
D
A variable that you can describe with numbers.
3) Qualitatives varibles take on values that are...
A
Names or labels (words)
B
Numbers
C
Numbers and words
D
Numbers and labels
4) Quantitive variables can be cassified as...
A
Can not be classified
B
Discrete or continuos
C
Quantitatives or continuos
D
Qualitatives or discrete
5) Four friends take an IQ test. Their scores are 96, 100, 106, 114. What is the mean?
A
103
B
100
C
106
D
104
6) Look at this serie of data: 12, 23, 10, 11, 8, 15, 10, 9. What is the median?
A
23
B
12
C
11.5
D
10.5
7) Look at this serie of data: 8, 23, 10, 11, 8, 15, 10, 9, 10. What is the mode?
A
10
B
8
C
9
D
23
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
B
2.58
C
6.67
D
2
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 = 8, mode =9
B
mean = 6, mode =8
C
mean = 7, mode =4
D
mean = 7, 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
Line graph
B
Stem and leaf plot
C
Histogram
D
Bar graph
*select an answer for all questions
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