Two dice are thrown. What is the probability that the sum of the numbers is odd?
Correct answer B. 18/36
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Statistics MCQs
Page 15 of Statistics multiple-choice questions with answers. Tap an option to check yourself.
Page 15 of 37
The Marshall-Edgeworth volume (quantity) index is?
Correct answer D. Σqn(po + pn) / Σqo(po + pn) × 100
Three balanced coins are tossed once. What is the probability of getting exactly three tails?
Correct answer C. 1/8
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In which index are base-year quantities used as weights?
Correct answer A. Laspeyres' index
Two balanced coins are tossed once. What is the probability of getting at least one head?
Correct answer D. 3/4
Fisher’s ideal index number is obtained by?
Correct answer A. Taking the G.M. of Laspeyres' and Paasche's indices
Given P(A|B) = 1/4 and P(A∩B) = 1/5, what is P(B)?
Correct answer D. 4/5
What is an index number used for?
Correct answer D. To measure changes in a variable over time
For a biased coin, P(H) = 2P(T). What is the probability of a head?
Correct answer C. 2/3
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What is a simple aggregate quantity index used to measure?
Correct answer A. Measure the overall change in quantity of a range of products
Which expression gives the product of the first n natural numbers?
Correct answer A. 1.2.3 … (n−2)(n−1)(n)
Which index measures the month-to-month change in the cost of a representative basket of goods and services bought by a typical household?
Correct answer A. Retail Price Index
What is the value of ⁵C₅?
Correct answer A. 1
Which statement describes the Laspeyres price index?
Correct answer A. Regards the base year quantities as fixed
If the occurrence of one event means another cannot happen, what are the events called?
Correct answer C. Mutually Exclusive
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What does the formula (∑pnqn/∑p0qn) × 100 calculate?
Correct answer C. The Paasche price index
A pair of dice is rolled. What is the probability that at least one die shows a 4 or the sum of the dice is 7?
Correct answer C. 15/36
Which type of index number is used most commonly?
Correct answer B. Price index number
For the special rule of multiplication of probabilities to apply, the events must be?
Correct answer A. Independent
By what other names is the consumer price index (CPI) known?
Correct answer C. Both A and B