I want the answer for part a for the first question and for part b for the second question! The average height of children who are 2 years old is 34 inches. A random sample of 35 children who are 2 years old in a large daycare franchise is collected, and they are found to average28.00 inches with a sample standard deviation of s:1.80 inches. The researchers are suspicious that the children at the daycares are not growing as quickly as they should be.%3Dn USE SALT(a) Calculate the test statistic for the problem. (Round your answer to two decimal places.)t = -13.15t :%3Ds/Vn(b) Calculate the P-value. (Use SALT. Round your answer to four decimal places.)0.0000(c) Choose the appropriate conclusion for this test when a = 0.05.O Reject the null hypothesis.O Fail to reject the null hypothesis.O Reject the alternative hypothesis.O Accept the null hypothesis. The article "Well-Fed Crickets Bowl Maidens Over"t reported that female field crickets are attracted to males that have high chirp rates and hypothesized that chirp rate is related to nutritional status.The chirp rates for male field crickets were reported to vary around a mean of 60 chirps per second. To investigate whether chirp rate is related to nutritional status, investigators fed male crickets ahigh-protein diet for 8 days and then measured chirp rate. The mean chirp rate for the crickets on the high-protein diet was reported to be 107 chirps per second. Is this convincing evidence that themean chirp rate for crickets on a high-protein diet is greater than 60 (which would then imply an advantage in attracting the ladies)? Suppose that the sample size and sample standard deviation aren = 32 and s = 35. You can test the relevant hypotheses to answer this question. A significance level of a = 0.01 will be used.In USE SALT(a) State the null and alternative hypotheses.Ho: H = 60Hai u > 60O Ho: H =H: u + 6009 = 1 :ºHO Ho: u < 60Ha: H > 60O Ho: H = 60H3: u < 60%3D(b) Calculate the test statistic. (Round your answer to two decimal places.)t = 7.593t =s/Vn(c) Based on a = 0.01, what is the correct conclusion for the hypothesis test? (Use a table or SALT.)We would fail to reject the null hypothesis. This means on the basis of the evidence, you can conclude that the mean chirp rate for male field crickets that eat a high-protein diet isgreater than 60.We would reject the null hypothesis. This means on the basis of the evidence, you cannot conclude that the mean chirp rate for male field crickets that eat a high-protein diet is greaterthan 60.We would reject the null hypothesis. This means on the basis of the evidence, you can conclude that the mean chirp rate for male field crickets that eat a high-protein diet is greater than60.

First question, part a). Given: μ=34n=35x¯=28s=1.80 The formula and calculations for the test…

A USE SALT (a) Calculate the test statistic for the problem. (Round your answer to two decimal places.) t =-13.15 x -H s/Vn (b) Calculate the P-value. (Use SALT. Round your answer to four decimal places.) 0.0000

A USE SALT (a) Calculate the test statistic for the problem. (Round your answer to two decimal places.) t =-13.15 x -H s/Vn (b) Calculate the P-value. (Use SALT. Round your answer to four decimal places.) 0.0000

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

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I want the answer for part a for the first question and for part b for the second question!

The average height of children who are 2 years old is 34 inches. A random sample of 35 children who are 2 years old in a large daycare franchise is collected, and they are found to average
28.00 inches with a sample standard deviation of s:
1.80 inches. The researchers are suspicious that the children at the daycares are not growing as quickly as they should be.
%3D
n USE SALT
(a) Calculate the test statistic for the problem. (Round your answer to two decimal places.)
t = -13.15
t :
%3D
s/Vn
(b) Calculate the P-value. (Use SALT. Round your answer to four decimal places.)
0.0000
(c) Choose the appropriate conclusion for this test when a = 0.05.
O Reject the null hypothesis.
O Fail to reject the null hypothesis.
O Reject the alternative hypothesis.
O Accept the null hypothesis.

The article "Well-Fed Crickets Bowl Maidens Over"t reported that female field crickets are attracted to males that have high chirp rates and hypothesized that chirp rate is related to nutritional status.
The chirp rates for male field crickets were reported to vary around a mean of 60 chirps per second. To investigate whether chirp rate is related to nutritional status, investigators fed male crickets a
high-protein diet for 8 days and then measured chirp rate. The mean chirp rate for the crickets on the high-protein diet was reported to be 107 chirps per second. Is this convincing evidence that the
mean chirp rate for crickets on a high-protein diet is greater than 60 (which would then imply an advantage in attracting the ladies)? Suppose that the sample size and sample standard deviation are
n = 32 and s = 35. You can test the relevant hypotheses to answer this question. A significance level of a = 0.01 will be used.
In USE SALT
(a) State the null and alternative hypotheses.
Ho: H = 60
Hai u > 60
O Ho: H =
H: u + 60
09 = 1 :ºH
O Ho: u < 60
Ha: H > 60
O Ho: H = 60
H3: u < 60
%3D
(b) Calculate the test statistic. (Round your answer to two decimal places.)
t = 7.593
t =
s/Vn
(c) Based on a = 0.01, what is the correct conclusion for the hypothesis test? (Use a table or SALT.)
We would fail to reject the null hypothesis. This means on the basis of the evidence, you can conclude that the mean chirp rate for male field crickets that eat a high-protein diet is
greater than 60.
We would reject the null hypothesis. This means on the basis of the evidence, you cannot conclude that the mean chirp rate for male field crickets that eat a high-protein diet is greater
than 60.
We would reject the null hypothesis. This means on the basis of the evidence, you can conclude that the mean chirp rate for male field crickets that eat a high-protein diet is greater than
60.

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