Practice GAT Subject Statistics questions with answers and explanations.
Choose an option to check your answer.
A number is divisible by 9 when the sum of its digits is divisible by 9.
For 5,832, the digit sum is 18.
Choose an option to check your answer.
Since 12 × 13 = 156, subtracting gives 157 - 156 = 1.
Thus, the remainder is 1.
Choose an option to check your answer.
Division and multiplication have equal priority and are performed left to right.
So 48 ÷ 6 = 8, and 8 × 3 = 24.
Choose an option to check your answer.
Multiplication is performed before addition.
Thus, 3 × 4 = 12 and 5 + 12 = 17.
Choose an option to check your answer.
The operation inside parentheses is completed first.
Then 12 ÷ 3 = 4.
Choose an option to check your answer.
A population contains every unit about which conclusions are desired.
A sample is selected from the population for practical study.
Choose an option to check your answer.
A sample provides information about a larger population.
Good sampling methods aim to make it representative.
Choose an option to check your answer.
Parameters describe populations, such as a population mean or proportion.
They are often unknown and estimated using sample statistics.
Choose an option to check your answer.
Every term is multiplied by 2.
Therefore, 56 × 2 = 112.
Choose an option to check your answer.
The word 'happily' describes how the children played.
A word that modifies a verb in this way functions as an adverb.
Choose an option to check your answer.
The successive increases are 3, 4, 5, and 6.
The next increase is 7, so 28 + 7 = 35.
Choose an option to check your answer.
In this sentence, 'light' names a thing that can be turned off.
Therefore, it functions as a noun rather than a verb or adjective.
