m Cleaners Upright vacuum clean body type. Shown are the weights can it be concluded that the mean he variables are normally distribute Soft body types 24 13 11 13

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Weights of Vacuum Cleaners Upright vacuum cleaners have either a hard
body type or a soft body type. Shown are the weights in pounds of a sample of
each type. At a=0.05, can it be concluded that the means of the weights are
different? Assume the variables are normally distributed and the variances are
unequal.
Hard body types
Soft body types
21
15
16
20
24
13 11 13
alo
18
18
17
17
12
15
14
16
23
16
17
15
17
20
16
17
Send data to Excel
Use
for the mean weight of the hard body type.
Part
State the hypotheses and identify the claim with the correct hypothesis.
HoHH not claim
H : H, # H, claim
This hypo
test is a tal
test.
Part
he critical value(s). Round the answer(s) to at least three decimal
places, If there is more than one critical value, separate them with
commas.
Critical value(s):-2.306, 2.306
Part: 2 /5
Part 3 of 5
Compute the test value. Round the sample statistics to two decimal places
and the final answer to at least three decimal places.
Transcribed Image Text:Weights of Vacuum Cleaners Upright vacuum cleaners have either a hard body type or a soft body type. Shown are the weights in pounds of a sample of each type. At a=0.05, can it be concluded that the means of the weights are different? Assume the variables are normally distributed and the variances are unequal. Hard body types Soft body types 21 15 16 20 24 13 11 13 alo 18 18 17 17 12 15 14 16 23 16 17 15 17 20 16 17 Send data to Excel Use for the mean weight of the hard body type. Part State the hypotheses and identify the claim with the correct hypothesis. HoHH not claim H : H, # H, claim This hypo test is a tal test. Part he critical value(s). Round the answer(s) to at least three decimal places, If there is more than one critical value, separate them with commas. Critical value(s):-2.306, 2.306 Part: 2 /5 Part 3 of 5 Compute the test value. Round the sample statistics to two decimal places and the final answer to at least three decimal places.
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