# Suppose a study reported that

 Suppose a study reported that the average person watched 4.68hours of television per day. A random sample of 15 people gave the number of hours of television watched per day shown. At the 1​% significance level, do the data provide sufficient evidence to conclude that the amount of television watched per day last year by the average person differed from the value reported in the​ study? (Note: x=3.627 hours and s=1.573 hours.)

1.7 2.3 5.4 2.3 3.7 4.3 6.0 5.0 3.7 2.5 4.9 6.2 1.9 2.3 2.2

State the hypotheses for the​ one-mean z-test.

H0​: μ = 4.68
Ha​: μ ≠ 4.68

Compute the value of the test statistic.

z= -2.59
​(Round to two decimal places as​ needed.)

Determine the critical​ value(s). Select the correct choice below and fill in the answer box within your choice. (Round to two decimal places as​ needed.)

A. The critical value is tα=____________

B. The critical values are ±tα/2=±____________

C. The critical value is −tα=___________

____________ (Do not reject or reject)  the null hypothesis. The data
________________ ( does not provide or provide) sufficient evidence to conclude that the average person watched tv is ___________ (the same as, less than, different from or greater than) the average tv watched per day.

# Suppose a study reported that

 Suppose a study reported that the average person watched 4.68hours of television per day. A random sample of 15 people gave the number of hours of television watched per day shown. At the 1​% significance level, do the data provide sufficient evidence to conclude that the amount of television watched per day last year by the average person differed from the value reported in the​ study? (Note: x=3.627 hours and s=1.573 hours.)

1.7 2.3 5.4 2.3 3.7 4.3 6.0 5.0 3.7 2.5 4.9 6.2 1.9 2.3 2.2

State the hypotheses for the​ one-mean z-test.

H0​: μ (≠, >, <, =) ________
Ha​: μ (≠, >, <, =) _________

Compute the value of the test statistic.

z=__________
​(Round to two decimal places as​ needed.)

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