(a)

What happens to the graph of the normal curve as the mean increases?

(b)

What happens to the graph of the normal curve as the standard deviation decreases?

(This is a reading assessment question. Be certain of your answer because you only get one attempt on this question.)

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Part 1

(a)

Choose the correct answer below.

A.

The graph of the normal curve flattens out and becomes wider.

B.

The graph of the normal curve slides left.

C.

The graph of the normal curve compresses and becomes steeper.

D.

The graph of the normal curve slides right.

E.

Nothing happens to the graph of the normal curve.

Part 2

(b)

Choose the correct answer below.

A.

The graph of the normal curve flattens out and becomes wider.

B.

The graph of the normal curve slides left.

C.

The graph of the normal curve slides right.

D.

The graph of the normal curve compresses and becomes steeper.

E.

Nothing happens to the graph of the normal curve.