Subject: Applied Statistics and Probability 4 Questions Covers: from textbook Chapter 8: (entire Chapter 8 except for Bootstrap method for constructing confidence interval) Chapter 9: Entire chapter except sections 9.3.2, 9.4.2, 9.5.2, 9.7, 9.8, 9.9, 9.10, 9.11 Chapter 10: Section 10.1

INSTRUCTIONS TO CANDIDATES

ANSWER ALL QUESTIONS

*Subject: Applied Statistics and Probability  *Time limit: 30 minutes * 4 Questions Covers: from textbook Chapter 8: (entire Chapter 8 except for Bootstrap method for constructing confidence interval) Chapter 9: Entire chapter except sections 9.3.2, 9.4.2, 9.5.2, 9.7, 9.8, 9.9, 9.10, 9.11 Chapter 10: Section 10.1

 

Subject: Applied Statistics and Probability

 

4 Questions Covers: from textbook Chapter 8: (entire Chapter 8 except for Bootstrap method for constructing confidence interval) Chapter 9: Entire chapter except sections 9.3.2, 9.4.2, 9.5.2, 9.7, 9.8, 9.9, 9.10, 9.11 Chapter 10: Section 10.1

 

You must use paper to solve your problems

you must upload or send pictures of your work ( take pictures of every piece of paper you use to solve problems) .

send solution paper for each question after each problem before starting to work on the next problem

You can only use 1 blank piece of paper for solving each question. (So 4 papers for 4 Questions. 1 question on 1 page)

Use a new piece of blank paper for solving every question (do not use more than 1 paper for 1 question)

Write the question number at the top of each page now, before you start the task.

Clearly circle the final answer of each part of each question.

There may be some questions that may not need you to do any work, or are true/false. In this case you may still be asked to upload a picture of the blank page

 

 

 

Points (5)

) Two machines are used to NI plastic bottles with dishwashjn detergent. The standard devafions of fill volume

are known tobe a = 0.10 fluid ounces and 02 = 0.15 fluid ources for the two machines, respectively. Suppose

that we are testing the hypothesis that both machines fill to the same mean volume using Q = 0.05.

(i) VVrite the null hypothesis HO

(ii) Write the alternative hypothesis Hl

(iii) Whìt sample sizes must be used if the 3-error of the test when the true difference in fill volume is 0.2 fluid

ounces should not exceed 0.1. Use a 0.05.

To Submit:

1. Type your final answers in the box(es) below.

2. Show me your work on new 1 page of paper by showing it cicariÇto the webcam

3. Alter this quiz is submitted. Upload a photo of this scratch paper to Part B Quiz.

Answers

 

Q p’5

1) Consider the following computer Output

Test of H0: .t 26 against Hj: p. * 26

Assumed normal population and population standard deviation is o - 1.5

SE of Mean P-value

? ?

____ ____ _____ ______ _____ —‘

(I) Fill in the missing information

(ii) This is (one, two) —sided test.

(iii) What is your conclusion ¡1 a 0.05?

(iv) Calculate Il error if the true value of ii is 25.

To Submit:

1. Type your final answers in the box(cs) below.

2. Show me your work on new I page of paper by showing it dearly to the webcam for 3 seconds

3. After this quiz ¡s submitted. Upload a photo of this scratch paper to Part B.

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