(Multiple Choice Questions) (6 marks, 1 Mark Each) A researcher takes a sample o
ID: 2927595 • Letter: #
Question
(Multiple Choice Questions) (6 marks, 1 Mark Each)
A researcher takes a sample of 120 employees of a company, the average age of company’s employees is
1)a statistic.
2)a parameter.
3) the median.
4) a population.
The level of measurement of Student’s grades, A,B, or C in a test is
1)Nominal
2)Ratio
3)Interval
4)Ordinal
The difference between the largest and the smallest data values is called
1) Variance
2)Class boundary
3)Range
4)None of the above answers is correct
A die with 6 faces is rolled. What is the probability that the number is greater than 4?
1)1/6
2)2/6
3)3/6
4)4/6
A distribution that has a long left tail is called:
1)Positive Skewed
2)Negative Skewed
3)Symmetric
4)both a and b
Find the original data from the stem and leaf plot Stem Leaves 2 2 3 3 2 3 4 4 3 4 5
1)22,23,32,32,34,43,44,45
2)22,22,32,33,34,44,44,45
3)22,22,32,33,34,43,44,45
4)22,23,32,33,34,43,44,45
Explanation / Answer
A researcher takes a sample of 120 employees of a company, the average age of company’s employees is
2)a parameter.
The level of measurement of Student’s grades, A,B, or C in a test is
4)Ordinal
The difference between the largest and the smallest data values is called
3)Range
A die with 6 faces is rolled. What is the probability that the number is greater than 4?
2)2/6
A distribution that has a long left tail is called:
2)Negative Skewed
Find the original data from the stem and leaf plot Stem Leaves 2 2 3 3 2 3 4 4 3 4 5
4)22,23,32,33,34,43,44,45
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