# ACET (Actuarial Common Entrance Test) Statistics: Questions 76 - 82 of 201

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## Question 76

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### Question

MCQ▾

Weight of eight boys in kg is noted as:

Find the median weight.

### Choices

Choice (4)Response
a.72
b.71
c.70
d.71.5

## Question 77

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### Question

MCQ▾

If X follows Poisson distribution such that Find the mean & variance

### Choices

Choice (4)Response
a.2,1
b.2,2
c.1,2
d.1,1

## Question 78

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### Question

MCQ▾

Which of the following is a one dimensional diagram?

### Choices

Choice (4)Response
a.Bar diagrams
b.Histograms
d.Frequency Polygon

## Question 79

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### Question

MCQ▾

Out of 8 consonants and 3 vowels, how many words of 3 consonants and 2 vowels can be formed?

### Choices

Choice (4)Response
a.16800
b.20,000
c.
d.20,160

## Question 80

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### Question

MCQ▾

If the regression coefficient of b in is equal to zero, then the regression line will

### Choices

Choice (4)Response
a.Pass through the origin
b.Neither intersect X axis nor Y axis
c.Be parallel to the X axis
d.Be parallel to the Y axis

## Question 81

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### Question

MCQ▾

A committee of four has to be formed from among three economists, 4 engineers, 2 statisticians and 1 doctor. What is the probability that each of the four professions is represented on the committee?

### Choices

Choice (4)Response
a.0.1143
b.0.24
c.0.1742
d.0.3

## Question 82

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### Question

MCQ▾

Height of 20 students in centimetres is displayed through the following stem and leaf plot-

 Stem Leaf 14 3 5 6 15 4 8 9 16 0 0 2 5 5 5 7 17 1 2 2 5 6 18 2 6

Which of the following is incorrect?

### Choices

Choice (4)Response
a.15 % of students have height greater than 175cm
b.The range of the height is 43 cm
c.The modal height is 172 cm
d.The median height is 165 cm