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

Access detailed explanations (illustrated with images and videos) to 201 questions. Access all new questions- tracking exam pattern and syllabus. View the complete topic-wise distribution of questions. Unlimited Access, Unlimited Time, on Unlimited Devices!

View Sample Explanation or View Features.

Rs. 200.00 -OR-

How to register? Already Subscribed?

Question 76

Edit

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

Edit

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

Edit

Question

MCQ▾

Which of the following is a one dimensional diagram?

Choices

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

Question 79

Edit

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

Edit

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

Edit

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

Edit

Question

MCQ▾

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

Stem and leaf plotStem and leaf plot
StemLeaf
143 5 6
154 8 9
160 0 2 5 5 5 7
171 2 2 5 6
182 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