(A) Null hypotheses cannot be madewith non-normal data. (B) Alternativehypotheses cannot be made with non-normal data.O Both statements are true.O Only the first statement (A) is true.O Only the second statement (B) is true.O None of the statements are true.3

In stating the null and alternative hypotheses, the data does not have to be normal data. Hypotheses…

Answered: (A) Null hypotheses cannot be made with…

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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“Hypothesis testing is an important aspect without which the validity of research can’t be claimed”. Comment on the statement with valid examples to prove this.
The following are the average grade of a sample of 20 Senior High School students for the first semester. Test the claim that the average grade of the students is LESS THAN 90. Use 5% level of significance. 91 88 93 95 95 85 89 93 89 91 91 92 89 89 84 87 88 88 89 93
When conducting a hypothesis test, we hope to avoid commiting a type 1 error, which is: 1. Not as bad as committing a type 2 error 2. rejecting a null hypothesis when it is true 3. rejecting the alternate hypothesis when it is true 4. accepting the null hypothesis when the alternate hypothesis is true
Write the null and its alternative hypotheses and directional hypotheses in words and in symbols, for each situations below.
Set up a null and alternative hypothesis for each of these claims. Use two- sided alternative hypothesis in each instance.
If we fail to reject (i.e., "accept") the null hypothesis, does this mean that we have proved it to be true beyond all doubt? Choose one of the options: A. No, it suggests that the evidence is not sufficient to merit rejecting the null hypothesis. B. No, it suggests that the null hypothesis is true only some of the time. C. Yes, if we fail to reject the null we have found evidence that the null is true beyond all doubt. D. Yes, it suggests that the evidence is sufficient to merit rejecting the alternative hypothesis beyond all doubt.
1st blank choices: contains/does not contain 2nd blank choices: null/alternative 3rd blank choices: sufficient/insufficient 4th blank choices : support/not reject 5th blank choices: sufficient/insufficient 6th blank choices: support/not reject
A null hypothesis must always include the equality sign. True O False
2. You carry out a test of the hypothesis described in #1. If the results show that you cannot reject the null hypothesis, what conclusion can you generate based on your claim?
K For students who first enrolled in two-year public institutions in a recent semester, the proportion who earned a bachelor's degree within six years was 0.386. The president of a certain junior college believes that the proportion of students who enroll in her institution have a higher completion rate. (a) State the null and alternative hypotheses in words. (b) State the null and alternative hypotheses symbolically. (c) Explain what it would mean to make a Type I error. (d) Explain what it would mean to make a Type Il error. OB. Among students who first enroll in two-year public institutions, the completion rate is 0.386. C. Among students who enroll at the certain junior college, the completion rate is 0.386. O D. Among students who enroll at the certain junior college, the completion rate is less than 0.386. State the alternative hypothesis in words. Choose the correct answer below. A. Among students who enroll at the certain junior college, the completion rate is greater than…
Examine the given statement, then express the null hypothesis Ho and the alternative hypothesis H1 in the symbolic form: (1) The mean weight of women who won a beauty pageant is equal to 120 lbs. (2) There are more then 97% of LBCC students have computers. (3( There are at least 50% of LBCC students have a job while studying>
if any, can be reached from the given hypotheses and justify your answer. All flowers are red or purple. Pansies are flowers. Pansies are not purple.

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(A) Null hypotheses cannot be made with non-normal data. (B) Alternative hypotheses cannot be made with non- normal data. O Both statements are true. Only the first statement (A) is true.