(b) What sampling distribution will you use? What assumptions are you making?The Student's t. We assume that d has an approximately normal distribution.O The Student's t. We assume that d has an approximately uniform distribution.O The standard normal. We assume that d has an approximately uniform distribution.O The standard normal. We assume that d has an approximately normal distribution.What is the value of the sample test statistic? (Round your answer to three decimal places.)(c) Find (or estimate) the P-value.P-value > 0.2500.125 < P-value < 0.2500.050 < P-value < 0.1250.025 < P-value < 0.0500.005 < P-value < 0.025P-value < 0.005Sketch the sampling distribution and show the area corresponding to the P-value. In this problem, assume that the distribution of differences is approximately normal. Note: For degrees of freedom d.t. not in the Student's t table, use the dosest d.f. that is smaller. Insome situations, this choice of d.f. may increase the P value by a small amount and therefore produce a ightly more "conservative" answer.A survey of houses and traditional hogans was made in a number of different regions of the modern Navajo Indian Reservation. The following table is the result of a random sample of eightregions on the Navajo Reservation.Area on Navajo ReservationBitter SpringsRainbow LodgeKayentaRed MesaNumber of Inhabited HousesNumber of Inhabited Hogans1816124432Black Mesa1115Canyon de ChellyCedar Point284717Burnt WaterA USE SALTDoes this information indicate that the population mean number of inhabited houses is greater than that of hogans on the Navajo Reservation? use a 5% level of significante. (Letd= houses- hogans.)(a) What is the level of significance?State the null and alternate hypotheses. Will you use a left-tailed, right-tailed, or two-taled test?OHo Hu 0; H g<0; left-taledO Hội Hd> 0; H Pg 0; right-tailedOHo: Hd O; H: d> 0; right-tailedO Ho: Me0; H: d 0: two-taled

Answered: Image /qna-images/answer/a25f2ec4-557c-4b90-93c2-a649e3ecd2dc.jpg

(b) What sampling distribution will you use? What assumptions are you making? The Student's t. We assume that d has an approximately normal distribution. The Student's t. We assume that d has an approximately uniform distribution. O The standard normal. We assume that d has an approximately uniform distribution. O The standard normal. We assume that d has an approximately normal distribution. What is the value of the sample test statistic? (Round your answer to three decimal places.) (c) Find (or estimate) the P-value. P-value > 0.250 0.125 < P-value < 0.250 0.050 < P-value < 0.125 0.025 < P-value < 0.050 0.005 < P-value < 0.025 P-value < 0.005 Sketch the sampling distribution and show the area corresponding to the P-value.

(b) What sampling distribution will you use? What assumptions are you making? The Student's t. We assume that d has an approximately normal distribution. The Student's t. We assume that d has an approximately uniform distribution. O The standard normal. We assume that d has an approximately uniform distribution. O The standard normal. We assume that d has an approximately normal distribution. What is the value of the sample test statistic? (Round your answer to three decimal places.) (c) Find (or estimate) the P-value. P-value > 0.250 0.125 < P-value < 0.250 0.050 < P-value < 0.125 0.025 < P-value < 0.050 0.005 < P-value < 0.025 P-value < 0.005 Sketch the sampling distribution and show the area corresponding to the P-value.

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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Concept explainers

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.

Question

(b) What sampling distribution will you use? What assumptions are you making?
The Student's t. We assume that d has an approximately normal distribution.
O The Student's t. We assume that d has an approximately uniform distribution.
O The standard normal. We assume that d has an approximately uniform distribution.
O The standard normal. We assume that d has an approximately normal distribution.
What is the value of the sample test statistic? (Round your answer to three decimal places.)
(c) Find (or estimate) the P-value.
P-value > 0.250
0.125 < P-value < 0.250
0.050 < P-value < 0.125
0.025 < P-value < 0.050
0.005 < P-value < 0.025
P-value < 0.005
Sketch the sampling distribution and show the area corresponding to the P-value.

In this problem, assume that the distribution of differences is approximately normal. Note: For degrees of freedom d.t. not in the Student's t table, use the dosest d.f. that is smaller. In
some situations, this choice of d.f. may increase the P value by a small amount and therefore produce a ightly more "conservative" answer.
A survey of houses and traditional hogans was made in a number of different regions of the modern Navajo Indian Reservation. The following table is the result of a random sample of eight
regions on the Navajo Reservation.
Area on Navajo Reservation
Bitter Springs
Rainbow Lodge
Kayenta
Red Mesa
Number of Inhabited Houses
Number of Inhabited Hogans
18
16
12
44
32
Black Mesa
11
15
Canyon de Chelly
Cedar Point
28
47
17
Burnt Water
A USE SALT
Does this information indicate that the population mean number of inhabited houses is greater than that of hogans on the Navajo Reservation? use a 5% level of significante. (Let
d= houses- hogans.)
(a) What is the level of significance?
State the null and alternate hypotheses. Will you use a left-tailed, right-tailed, or two-taled test?
OHo Hu 0; H g<0; left-taled
O Hội Hd> 0; H Pg 0; right-tailed
OHo: Hd O; H: d> 0; right-tailed
O Ho: Me0; H: d 0: two-taled

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use the pictures uploaded to answer these questions a) What sampling distribution will you use? What assumptions are you making?choose one: The Student's t. We assume that both population distributions are approximately normal with known standard deviations.The Student's t. We assume that both population distributions are approximately normal with unknown standard deviations. The standard normal. We assume that both population distributions are approximately normal with unknown standard deviations.The standard normal. We assume that both population distributions are approximately normal with known standard deviations. b)What is the value of the sample test statistic? (Test the difference ?1 − ?2. Round your answer to three decimal places.) c) Find (or estimate) the P-value and sketch the p value. choose one:P-value > 0.2500.125 < P-value < 0.250 0.050 < P-value < 0.1250.025 < P-value < 0.0500.005 < P-value < 0.025P-value < 0.005
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