Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

A year ago, the Air Force executed a new test for determining which candidates are most likely to become successful pilots. Now they wish to see if implementing the pilot predictor test was good idea. Scores have been standardized to facilitate comparison.          

Pilot

Predictor Score (Y)

Performance Score (X)

1

5

6

2

7

6

3

8

5

4

9

7

5

9

8

6

4

8

7

8

7

8

5

5

9

9

9

10

10

9

11

5

6

12

7

6

13

8

5

14

9

7

15

9

8

16

4

8

17

8

7

18

5

5

19

9

9

20

10

9

21

5

6

22

7

6

23

8

5

24

9

7

25

9

8

26

4

8

27

8

7

28

5

5

29

9

9

30

10

9

a) Determine the null hypothesis?

b) Find out the value of test statistic?

c) Are the results statistically significant? Why or why not?

d) Illustrate the conclusions can you draw from your findings?

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M917911

Have any Question? 


Related Questions in Statistics and Probability

The mean incubation time for a type of fertilized egg kept

The mean incubation time for a type of fertilized egg kept at 100.7° F is 22days. Suppose that the incubation times are approximately normally distributed with a standard deviation of 2 days. (a) The probability that a r ...

A researcher obtained a sample of 180 participants between

A researcher obtained a sample of 180 participants between the ages of 18 and 24 and calculated the phi coefficient between whether they smoked cigarettes and whether they used marijuana (yes vs. no). Because the correla ...

When conducting a hypothesis test if z calculated is less

When conducting a hypothesis test, if z calculated is less than z critical, you should accept the null hypothesis?

1 what is a restricted range and what effect does it have

1. What is a restricted range, and what effect does it have on correlation coefficients? How would you detect and correct a restricted range? 2. How do we know whether a particular score is an outlier?

One study based on responses from 1013 teenagers concluded

One study based on responses from 1013 teenagers concluded that 42% cite grades as their greatest source of pressure. Use .05 significance level to test the claim that fewer than half of all teenagers in the population f ...

One thousand people are enrolled in a 10 year cohort study

One thousand people are enrolled in a 10 year cohort study. At the start of the study, 100 have diagnosed CVD. Over the course of the study, 80 people who were free of CVD at baseline develop CVD. What is the cumulative ...

A car dealership has 8 red 13 silver and 5 black cars on

A car dealership has 8 red, 13 silver and 5 black cars on the lot. Ten cars are chosen randomly to be displayed in front of the dealership. Find the probability that 4 cars are red and the rest are silver. Find the proba ...

Shoesmith wave inc a new and largely unproven economic

Shoesmith Wave, Inc., a new and largely unproven economic forecasting service, expects the inflation rate in South Korea to average 9 percent per year over the next five years. In comparison, Shoesmith expects a U.S. inf ...

Recall that very satisfied customers give the xyz-box video

Recall that "very satisfied" customers give the XYZ-Box video game system a rating that is at least 42. Suppose that the manufacturer of the XYZ-Box wishes to use the 65 satisfaction ratings to provide evidence supportin ...

1 consider the circumstances under which a

1. Consider the circumstances under which a repeated-measures experimental research design, rather than a between-participants experimental design, might be more or less appropriate. 2. Explain what counterbalancing refe ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

WalMart Identification of theory and critical discussion

Drawing on the prescribed text and/or relevant academic literature, produce a paper which discusses the nature of group

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro