How would you figure this out? Pyramid Lake is on the Paiute Indian Reservation in Nevada. The lake is famous for cutthroat trout. Suppose a friend tells you that the average length of troutcaught in Pyramid Lake is pu = 19 inches. However, a survey reported that of a random sample of 46 fish caught, the mean length was x = 18.6 inches, withestimated standard deviation s = 3.1 inches. Do these data indicate that the average length of a trout caught in Pyramid Lake is less than p = 19 inches? Usea = 0.05.(a) What is the level of significance?State the null and alternate hypotheses.O Ho: H = 19 in; H,: u > 19 inO Ho: H < 19 in; H,: µ = 19 inO Ho: H = 19 in; H,: µ < 19 inO Ho: H = 19 in; H,: µ # 19 inO Ho: H > 19 in; H,: µ = 19 in(b) What sampling distribution will you use? Explain the rationale for your choice of sampling distribution.O The Student's t, since the sample size is large and o is known.The standard normal, since the sample size is large and o is known.O The Student's t, since the sample size is large and o is unknown.O The standard normal, since the sample size is large and o is unknown.What is the value of the sample test statistic? (Round your answer to three decimal places.)

Given: This lake is famous for cutthroat trout. A friend tells you that the average length of trout…

Pyramid Lake is on the Paiute Indian Reservation in Nevada. The lake is famous for cutthroat trout. Suppose a friend tells you that the average length of trout caught in Pyramid Lake is u = 19 inches. However, a survey reported that of a random sample of 46 fish caught, the mean length was x = 18.6 inches, with estimated standard deviation s = 3.1 inches. Do these data indicate that the average length of a trout caught in Pyramid Lake is less than u = 19 inches? Use a = 0.05. (a) What is the level of significance? State the null and alternate hypotheses. O Ho: H = 19 in; H,: µ > 19 in O Ho: H< 19 in; H,: µ = 19 in O Ho: H = 19 in; H¸: µ < 19 in O Ho: H = 19 in; H,: µ # 19 in O Ho: H > 19 in; H,: µ = 19 in (b) What sampling distribution will you use? Explain the rationale for your choice of sampling distribution. O The Student's t, since the sample size is large and o is known. O The standard normal, since the sample size is large and o is known. O The Student's t, since the sample size is large and o is unknown. O The standard normal, since the sample size is large and o is unknown. What is the value of the sample test statistic? (Round your answer to three decimal places.)

Pyramid Lake is on the Paiute Indian Reservation in Nevada. The lake is famous for cutthroat trout. Suppose a friend tells you that the average length of trout caught in Pyramid Lake is u = 19 inches. However, a survey reported that of a random sample of 46 fish caught, the mean length was x = 18.6 inches, with estimated standard deviation s = 3.1 inches. Do these data indicate that the average length of a trout caught in Pyramid Lake is less than u = 19 inches? Use a = 0.05. (a) What is the level of significance? State the null and alternate hypotheses. O Ho: H = 19 in; H,: µ > 19 in O Ho: H< 19 in; H,: µ = 19 in O Ho: H = 19 in; H¸: µ < 19 in O Ho: H = 19 in; H,: µ # 19 in O Ho: H > 19 in; H,: µ = 19 in (b) What sampling distribution will you use? Explain the rationale for your choice of sampling distribution. O The Student's t, since the sample size is large and o is known. O The standard normal, since the sample size is large and o is known. O The Student's t, since the sample size is large and o is unknown. O The standard normal, since the sample size is large and o is unknown. What is the value of the sample test statistic? (Round your answer to three decimal places.)

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

Correlation

Correlation defines a relationship between two independent variables. It tells the degree to which variables move in relation to each other. When two sets of data are related to each other, there is a correlation between them.

Linear Correlation

A correlation is used to determine the relationships between numerical and categorical variables. In other words, it is an indicator of how things are connected to one another. The correlation analysis is the study of how variables are related.

Regression Analysis

Regression analysis is a statistical method in which it estimates the relationship between a dependent variable and one or more independent variable. In simple terms dependent variable is called as outcome variable and independent variable is called as predictors. Regression analysis is one of the methods to find the trends in data. The independent variable used in Regression analysis is named Predictor variable. It offers data of an associated dependent variable regarding a particular outcome.

Question

How would you figure this out?

Pyramid Lake is on the Paiute Indian Reservation in Nevada. The lake is famous for cutthroat trout. Suppose a friend tells you that the average length of trout
caught in Pyramid Lake is pu = 19 inches. However, a survey reported that of a random sample of 46 fish caught, the mean length was x = 18.6 inches, with
estimated standard deviation s = 3.1 inches. Do these data indicate that the average length of a trout caught in Pyramid Lake is less than p = 19 inches? Use
a = 0.05.
(a) What is the level of significance?
State the null and alternate hypotheses.
O Ho: H = 19 in; H,: u > 19 in
O Ho: H < 19 in; H,: µ = 19 in
O Ho: H = 19 in; H,: µ < 19 in
O Ho: H = 19 in; H,: µ # 19 in
O Ho: H > 19 in; H,: µ = 19 in
(b) What sampling distribution will you use? Explain the rationale for your choice of sampling distribution.
O The Student's t, since the sample size is large and o is known.
The standard normal, since the sample size is large and o is known.
O The Student's t, since the sample size is large and o is unknown.
O The standard normal, since the sample size is large and o is unknown.
What is the value of the sample test statistic? (Round your answer to three decimal places.)

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