Question: Suppose a study reported that the average person watched 4.904.90 hours of television per day. A random sample of 1515 people gave the number of
Suppose a study reported that the average person watched 4.904.90 hours of television per day. A random sample of 1515 people gave the number of hours of television watched per day shown. At the 1010?% 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 overbarxequals=3.8203.820 hours and sequals=1.4391.439 ?hours.) 6.16.1 3.13.1 2.42.4 2.52.5 4.24.2 2.82.8 2.62.6 2.32.3 2.32.3 3.23.2 5.65.6 5.85.8 5.25.2 5.55.5 3.73.7
LOADING...
Click here to view a partial table of values of
t Subscript alphat?.
Question content area bottom
Part 1
Set up the hypotheses for the? one-mean t-test.
Upper H 0H0?:
mu?
equals=
4.94.9
Upper H Subscript aHa?:
mu?
not equals?
4.94.9
Part 2
The test statistic is
ttequals=negative 2.91?2.91.
?(Round to two decimal places as? needed.)
Part 3
Identify the critical? value(s). Select the correct choice below and fill in the answer box within your choice.
?(Round to three decimal places as? needed.)
A.
The critical
values arevaluesare
plus or minus t Subscript alpha divided by 2 Baseline equals plus or minust?/2=enter your response here.
B.
The critical
value isvalueis
t Subscript alpha Baseline equalst?=enter your response here.
C.
The critical
value isvalueis
negative t Subscript alpha Baseline equals?t?=enter your response here.
Step by Step Solution
There are 3 Steps involved in it
Get step-by-step solutions from verified subject matter experts
Study Help