Carry intermediate calculations to three or more decimal places. (If necessary, you can refer to a list of formulas.) (to) Formulate the null hypothesish and the alternative hypothesish. ho: p = 16 0 (b) (c) h₁ :p # 16 1 Determine which type of test statistic to use. chi-square Degrees of freedom: Find the value of the test statistic. (Round to three or more decimal places.) 9,563 ▼ H |x X 5 O S 2 Р 0

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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Question
Carry intermediate calculations to three or more decimal places. (If necessary, you can refer to a list of formulas .)
(to) Formulate the null hypothesish and the alternative hypothesish
:p 16
(b)
(c)
(d)
h
0
h
:p # 16
Determine which type of test statistic to use.
chi-square
Degrees of freedom:
Find the value of the test statistic. (Round to three or more decimal places.)
9,563
1
1'
Find the p-value. (Round to three or more decimal places.)
0
(and) Can we conclude that the standard deviation of the scores that the student
athletes obtained is greater than 16?
O Yeah O No
3
μ
XI
0=0
S
OSO
Р
<Q
Ś
00
ロミロ
☐#0 O<O 0>0
Transcribed Image Text:Carry intermediate calculations to three or more decimal places. (If necessary, you can refer to a list of formulas .) (to) Formulate the null hypothesish and the alternative hypothesish :p 16 (b) (c) (d) h 0 h :p # 16 Determine which type of test statistic to use. chi-square Degrees of freedom: Find the value of the test statistic. (Round to three or more decimal places.) 9,563 1 1' Find the p-value. (Round to three or more decimal places.) 0 (and) Can we conclude that the standard deviation of the scores that the student athletes obtained is greater than 16? O Yeah O No 3 μ XI 0=0 S OSO Р <Q Ś 00 ロミロ ☐#0 O<O 0>0
The average score that can be obtained on a standardized test at your school is114with a standard deviation of 16. You are a reporter for the school newspaper
and you want to know if thetypical deviation, o,Student athletes are different. To find out, he surveys a random sample of 18student athletes and determines
that for the sample, the mean score is112with a standard deviation of 12.If we assume that the scores that the student athletes obtained follow an
approximately normal distribution, is there enough evidence to conclude, at the significance level of0.05, which standard deviation is higher among student
athletes?
Perform a two-tailed test. Then complete the following.
Carry intermediate calculations to three or more decimal places. (If necessary, you can refer to a list of formulas .)
(to) Formulate the null hypothesish and the alternative hypothesish 1'
ho: p = 16
0
(b)
(c)
(d)
h :p # 16
1
Determine which type of test statistic to use.
chi-square
Z
you
chi-square
Degrees of freedom:
statistic. (Round to three or more decimal places.)
9 F
Find the p-value. (Round to three or more decimal places.)
0
(and) Can we conclude that the standard deviation of the scores that the student
athletan obtained in cucation than 1/2
μ
☐#0
о р
X
S
0=0 OSO
00
O<O
<Q
00
0²0
Ś
O<O
Transcribed Image Text:The average score that can be obtained on a standardized test at your school is114with a standard deviation of 16. You are a reporter for the school newspaper and you want to know if thetypical deviation, o,Student athletes are different. To find out, he surveys a random sample of 18student athletes and determines that for the sample, the mean score is112with a standard deviation of 12.If we assume that the scores that the student athletes obtained follow an approximately normal distribution, is there enough evidence to conclude, at the significance level of0.05, which standard deviation is higher among student athletes? Perform a two-tailed test. Then complete the following. Carry intermediate calculations to three or more decimal places. (If necessary, you can refer to a list of formulas .) (to) Formulate the null hypothesish and the alternative hypothesish 1' ho: p = 16 0 (b) (c) (d) h :p # 16 1 Determine which type of test statistic to use. chi-square Z you chi-square Degrees of freedom: statistic. (Round to three or more decimal places.) 9 F Find the p-value. (Round to three or more decimal places.) 0 (and) Can we conclude that the standard deviation of the scores that the student athletan obtained in cucation than 1/2 μ ☐#0 о р X S 0=0 OSO 00 O<O <Q 00 0²0 Ś O<O
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d) Find the p- value . (Round to three or more decimal places.)
 
 
e) Can we conclude that the standard deviation of the scores that the student athletes obtained is greater than 16?
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Follow-up Question

D. WHAT IS THE P- VALUE - ROUND TO THREE OR MORE DECIMAL PLACES

 

E. Can we conclude that the standard deviation of the scores that the student athletes obtained is greater than 16 ?

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