203.56.513.55.510.5338.518.58.3.21-E Listed below are the lead concentrations inmug/gmeasured in different traditional medicines. Use a0.05 significance level to test the claim that the mean lead concentration for all such medicines is less than12 mug/g.Assume that the sample is a simple random sample. 20 3.5 6.5 13.5 5.5 10.5 3 3 8.5 18.5 Assuming all conditions for conducting a hypothesis test are met, what are the null and alternative hypotheses? A.Upper H 0:muequals12 mug/gUpper H 1:munot equals12 mug/g B.Upper H 0:muequals12 mug/gUpper H 1:muless than12 mug/g C.Upper H 0:muequals12 mug/gUpper H 1:mugreater than12 mug/g D.Upper H 0:mugreater than12 mug/gUpper H 1:muless than12 mug/g

Given information- Population mean, μ = 12 mug/g Significance level, α = 0.05 Sample size, n = 10 We…

Answered: 20 3.5 6.5 13.5 5.5 10.5 3 3 8.5 18.5…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

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Question

20
3.5
6.5
13.5
5.5
10.5
3
3
8.5
18.5

8.3.21-E

Listed below are the lead concentrations in

g/g

measured in different traditional medicines. Use a

0.05

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

g/g.

Assume that the sample is a simple random sample.

3.5

6.5

13.5

5.5

10.5

8.5

18.5

Assuming all conditions for conducting a hypothesis test are met, what are the null and alternative hypotheses?

Upper H 0

equals12

g/g

Upper H 1

not equals12

g/g

Upper H 0

equals12

g/g

Upper H 1

less than12

g/g

Upper H 0

equals12

g/g

Upper H 1

greater than12

g/g

Upper H 0

greater than12

g/g

Upper H 1

less than12

g/g

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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