Listed below are the lead concentrations(in g/g) measured in different Ayurveda medicines. Ayurveda is a traditional medical system commonly used in India. The lead concentrations listed here are from medicines manufactured in the United States. Assume that a simple random sample has been selected. Use a 0.10 significance level to test the claim that the mean lead concentration for all such medicines is less than 14.0g/g.

2.98

6.48

6.01

5.47

20.46

7.52

11.99

20.50

11.53

17.54

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Part 1

Identify the null and alternative hypotheses.

H0: muequals=

14.014.0

H1: muless than<

14.014.0

(Type integers or decimals. Do notround.)

Part 2

Identify the test statistic.

enter your response here

(Round to two decimal places asneeded.)