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| Teaching Since: | Jul 2017 |
| Last Sign in: | 398 Weeks Ago, 4 Days Ago |
| Questions Answered: | 5023 |
| Tutorials Posted: | 5024 |
A certain restaurant chain claims that its​ competitor's hamburgers have more than 10 grams of fat. You find that a random sample of 14 hamburgers has a mean fat content of
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12.3 grams and a standard deviation of 5.6 grams. Assume that the distribution is​ mound-shaped and symmetrical. Using a 0.10 significance​ level, what can you conclude about the​ restaurant's claim?
​1) What type of hypothesis test is​ this?
A.
​1-sample Proportion using Z
B.
​1-sample Mean using T
C.
Other
​2) State the hypotheses.  
​(Examples: μ=10​, p>0.25. The button for μ is in the palette to the left. Include any zeros in front of the decimal​ place.)
Upper H 0 :
Â
H0:
Â
H1:
Â
​3) Calculate the value of the Test Statistic.
     Test Statistic​ =
Â
Â
  ​(round answer to two decimal​ places)
​4) Calculate the​ P-Value.
    ​ P-Value =
Â
Â
    ​(round answer to four decimal​ places)
​5) What is the​ Decision?
A.
Reject Upper H 0
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B.
Fail to Reject Upper H 0
C.
Reject Upper H 1
D.
Fail to Reject Upper H 1
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​6) Write the interpretation in SHOW YOUR WORK.
Click to select your answer(s).
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