A certain restaurant chain claims that its competitor's hamburgers have more than 10 grams of fat


A certain restaurant chain claims that its competitor's hamburgers have more than 10 grams of fat

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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



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 :



H0:



H1:



​3) Calculate the value of the Test Statistic.

     Test Statistic​ =





  ​(round answer to two decimal​ places)

​4) Calculate the​ P-Value.

    ​ P-Value =



    ​(round answer to four decimal​ places)

​5) What is the​ Decision?

A.

Reject Upper H 0



B.

Fail to Reject Upper H 0

C.

Reject Upper H 1

D.

Fail to Reject Upper H 1

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