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Statistics MCQs with Explanations

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141StatisticsMedium

If Ho is stated as Q = Qo< the alternate hypothesis in general stated________?

ANone of these

BQ Qo

Correct answer

B. Q Qo

Explanation

The correct answer is Q Qo.

142StatisticsMedium

Two event are said to be equally likely is ________?

Aboth event occurs

Bnot both occurs

CAs any other

DOne occurs

Correct answer

C. As any other

Explanation

The correct answer is As any other.

143StatisticsMedium

Probability distribution of a statistics is called________?

AData

BSampling

CParameter

DSampling distribution

Correct answer

D. Sampling distribution

Explanation

The correct answer is Sampling distribution.

144StatisticsMedium

Variance of binomial distribution is always:________?

AGreater than mean

BLess than mean

CLess than equal to mean

DEqual to mean

Correct answer

B. Less than mean

Explanation

The correct answer is Less than mean.

145StatisticsMedium

Arithmetic mean is ________ by change of origin and scale of measurement?

ANot affected

BNegative

CAffected

DVary

Correct answer

C. Affected

Explanation

The correct answer is Affected.

146StatisticsMedium

We use non parametric tests when the data is________?

ABoth a and b

BQualitative

CRanked

DNone of these

Correct answer

A. Both a and b

Explanation

The correct answer is Both a and b.

147StatisticsMedium

The data obtained very first are called:________?

ARaw data

BNone of these

CPrimary data

DSecondary data

Correct answer

C. Primary data

Explanation

The correct answer is Primary data.

148StatisticsMedium

In inferential statistics, we study________?

Ahow a sample is obtained from a population

BNone of the above

Cthe methods to make decisions about population based on sample results

Dhow to make decisions about mean, median, or mode

Correct answer

C. the methods to make decisions about population based on sample results

Explanation

The correct answer is the methods to make decisions about population based on sample results.

149StatisticsMedium

For a symmetrical distribution approximately 68% of the cases are included between ________?

AX ̄ ̄ ̄ ̄−S and X ̄ ̄ ̄ ̄+S

BX ̄ ̄ ̄ ̄−3S and X ̄ ̄ ̄ ̄+3S

CX ̄ ̄ ̄ ̄−2S and X ̄ ̄ ̄ ̄+2S

DNone of these

Correct answer

A. X ̄ ̄ ̄ ̄−S and X ̄ ̄ ̄ ̄+S

Explanation

The correct answer is X ̄ ̄ ̄ ̄−S and X ̄ ̄ ̄ ̄+S.

150StatisticsMedium

1. Nos. is a ____ for measuring changes in a variable or a group of related variables?

ADevice

BCost

CRegion of goods

Dvariable

Correct answer

A. Device

Explanation

The correct answer is Device.

In inferential statistics, we study________?

Ahow a sample is obtained from a population

BNone of the above

Cthe methods to make decisions about population based on sample results

Dhow to make decisions about mean, median, or mode

Correct answer

C. the methods to make decisions about population based on sample results

Explanation

The correct answer is the methods to make decisions about population based on sample results.