ASQ CQE Practice Questions| TestInsights

Question 1

If a sample size of 16 yields an average of 12 and standard deviation of 3, estimate the 95% confidence interval for the population (assume a normal distribution).

AOption A

BOption B

COption C

DOption D

Correct : A

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AOption A

BOption B

COption C

DOption D

Question 2

A two-way analysis of variance has r levels for one variable and c levels for the second variable with 2 observations per cell. The degree of freedom for interaction is

A2(r)(c)

B(r-1)(c-1)

Crc-1

D2(r-1)(c-1)

Correct : B

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A2(r)(c)

B(r-1)(c-1)

Crc-1

D2(r-1)(c-1)

Question 3

The difference between setting alpha equal to 0.05 and alpha equal to 0.01 in hypothesis testing is

AWith alpha equal to 0.05, we are more willing to risk a type I error.

BWith alpha equal to 0.05, we are more willing to risk a type II error.

CAlpha equal to 0.05 is a more 'conservative' test of the null hypothesis.

DWith alpha equal to 0.05, we are less willing to risk a type I error.

Correct : A

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AWith alpha equal to 0.05, we are more willing to risk a type I error.

BWith alpha equal to 0.05, we are more willing to risk a type II error.

CAlpha equal to 0.05 is a more 'conservative' test of the null hypothesis.

DWith alpha equal to 0.05, we are less willing to risk a type I error.

Question 4

In nonparametric statistics:

. No assumptions are made concerning the distribution from which the samples are taken.

. The parameters of the distribution do not relate to the parameters of the sample.

. The sample and the distribution must have no parameters in common.

AI only

BII only

CIII only

DII and III only

Correct : A

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AI only

BII only

CIII only

DII and III only

Question 5

The value for t, when making a two-tailed paired t test, with samples of 13 and alpha =0.05, is

A1.782

B2.179

C2.064

D1.711

Correct : B

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A1.782

B2.179

C2.064

D1.711

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