Listed below are the lead concentrations inmuμg/gmeasured in different traditional medicines. Use a0.010.01significance level to test the claim that the mean lead concentration for all such medicines is less than1515muμg/g.Assume that the lead concentrations in traditional medicines are normally distributed. 1212 22.522.5 88 33 9.59.5 22.522.5 12.512.5 13.513.5 10.510.5 10.510.5 What are the null and alternative hypotheses? A.Upper H 0H0:muμequals=1515muμg/gUpper H 1H1:muμless than<1515muμg/gYour answer is correct. B.Upper H 0H0:muμequals=1515muμg/gUpper H 1H1:muμgreater than>1515muμg/g C.Upper H 0H0:muμgreater than>1515muμg/gUpper H 1H1:muμless than<1515muμg/g D.Upper H 0H0:muμequals=1515muμg/gUpper H 1H1:muμnot equals≠1515muμg/gDetermine the test statistic. negative 1.33(Round to two decimal places as needed.) Determine the P-value: ??(Round to three decimal places as needed.)

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Description: Listed below are the lead concentrations inmuμg/gmeasured in different traditional medicines. Use a0.010.01significance level to test the claim that the mean lead concentration for all such medicines is less than1515muμg/g.Assume that the lead conc

Given information- Sample size, n = 10 Significance level, α = 0.01 Now we have to find sample…

Answered: Listed below are the lead…

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Listed below are the lead concentrations in

muμg/g

measured in different traditional medicines. Use a

0.010.01

significance level to test the claim that the mean lead concentration for all such medicines is less than

1515

muμg/g.

Assume that the lead concentrations in traditional medicines are normally distributed.

1212

22.522.5

9.59.5

22.522.5

12.512.5

13.513.5

10.510.5

What are the null and alternative hypotheses?

Upper H 0H0:

muμequals=1515

muμg/g

Upper H 1H1:

muμless than<1515

muμg/g

Your answer is correct.

Upper H 0H0:

muμequals=1515

muμg/g

Upper H 1H1:

muμgreater than>1515

muμg/g

Upper H 0H0:

muμgreater than>1515

muμg/g

Upper H 1H1:

muμless than<1515

muμg/g

Upper H 0H0:

muμequals=1515

muμg/g

Upper H 1H1:

muμnot equals≠1515

muμg/g

Determine the test statistic.

negative 1.33

(Round to two decimal places as needed.)

Determine the P-value: ??

(Round to three decimal places as needed.)

Definition Definition Measure of central tendency that is the average of a given data set. The mean value is evaluated as the quotient of the sum of all observations by the sample size. The mean, in contrast to a median, is affected by extreme values. Very large or very small values can distract the mean from the center of the data. Arithmetic mean: The most common type of mean is the arithmetic mean. It is evaluated using the formula: μ = 1 N ∑ i = 1 N x i Other types of means are the geometric mean, logarithmic mean, and harmonic mean. Geometric mean: The nth root of the product of n observations from a data set is defined as the geometric mean of the set: G = x 1 x 2 ... x n n Logarithmic mean: The difference of the natural logarithms of the two numbers, divided by the difference between the numbers is the logarithmic mean of the two numbers. The logarithmic mean is used particularly in heat transfer and mass transfer. ln x 2 − ln x 1 x 2 − x 1 Harmonic mean: The inverse of the arithmetic mean of the inverses of all the numbers in a data set is the harmonic mean of the data. 1 1 x 1 + 1 x 2 + ...

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