Write a number from 1 to 5 to put the 5 steps of Hypothesis Testing in the correct order

Answer	Formulate the Decision Rule
Answer	State the Null Hypothesis (H0) and the Alternative Hypothesis (H1)
Answer	Select the Test Statistic
Answer	Make a Decision and Interpret the Result
Answer	Select a Level of Significance

What test statistics did we study? (select all that apply)

2

F

z

t

Q

PART 2

A company has invested in new IT assets and thinks that the investment has increased productivity.

Before the upgrade, revenuewas $3000/h with a standard deviation of $100/h

What will be the null and alternative hypotheses?

H0:	Answerxs	Answer"""="">""""<"""	$Answer
H1:	Answersx	Answer""""">""<""="""	$Answer

PART 3

A large food company has an old filling/packing machine on their production line. They are worried that it might not be meeting trade regulations on accuracy in labelling. These regulations protect consumers from receivingless product than they paid for.

It is set to fill bottles with 100.0 g of sauce each. Taking a sample of bottles from the line revealed the following weights (grams) in each bottle.

95

95

105

95

90

95

100

90

95

90

Calculate the following

Sample size (n)	Answer
Sample mean (x)	Answer
Standard deviation	Answer

The question is, at the 0.01 significance level, can we conclude that the mean weight is less than 100.0 g?

(a) State the null hypothesis and the alternative hypothesis.

H0:	Answersx	Answer"<""""="">"""""	Answerg
H1:	Answersx	Answer"<"""">""""="""	Answerg

(b) How many degrees of freedom are there?

Answer

(c) Give the decision rule. (what is the critical value of the test statistic?)

Reject H0 if

Answerzt

Answer"""""""<"">""="

Answer

(d) Compute the test value of t.

Answer

(e) What is your decision regarding the null hypothesis?

AnswerNo conclusionFail to reject H1Reject H0 and accept H1

So, at the 0.01 significance level, can we conclude that the mean weight is less than 100.0 g?

Answercannot concludeYesNo