Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

1. THE FOLLOWING IS THE QUESTIONS THAT HAD INFORMATION/DATA MISSING. FOLLOWING THAT THERE IS A NEW SET OF QUESTIONS. THANK YOU! Use the regression equation

1. THE FOLLOWING IS THE QUESTIONS THAT HAD INFORMATION/DATA MISSING. FOLLOWING THAT THERE IS A NEW SET OF QUESTIONS. THANK YOU! Use the regression equation to predict the value of y for x = -0.2. Assume that the variables x and y have a significant correlation. A . B . C . 1.13 5 0.38 1 2.03 7 D 1.73 . 3 Provide an appropriate response. Match the regression equation with the appropriate graph. (Note that the x- and y-axes are broken.) = 1.72x + 84.99 A . B . C . D . Provide an appropriate response. Find the equation of the regression line for the given data. A . = -1.885x + 0 .758 B . = -0.758x - 1 .885 C . = 0.758x + 1 .885 D = 1.885x - 0. . 758 Provide an appropriate response. Calculate the correlation coefficient, r, for the data below. A . B . C . D . 0.81 9 0.88 1 0.79 2 0.99 0 Provide an appropriate response. Given the supply of a commodity, x, and the price of a commodity, y, would you expect a positive correlation, a negative correlation, or no correlation? A . B . C . positive correlation no correlation negative correlation NEW QUESTIONS FOR THE CURRENT PRICE LISTED FOR THIS SET OF QUESTIONS Q U E S T I O N 1 Provide an appropriate response. SELF-CHECK QUIZ Find the standardized test statistic t for a sample with n = 12, = 0.01 if A . B . C . D . = 31.2, s = 2.2, and Round your answer to three decimal places. 2.00 1 1.99 1 1.89 0 2.13 2 2 points QUESTION 2 Provide an appropriate response. Find the standardized test statistic t for a sample with n = 10, and if = 16.5, s = 1.3, Round your answer to three decimal places. A . 3.18 6 B . 2.18 9 C . 3.01 0 D. 2.61 7 2 points QUESTION 3 Provide an appropriate response. Find the critical value and rejection region for the type of t-test with level of significance and sample size n. Right-tailed test, = 0.1, n = 35 A t0 = 2.441; . t > 2.441 B . C . D . t0 = 1.306; t > 1.306 t0 = 1.307; t < 1.307 t0 = 1.307; t > 1.307 2 points QUESTION 4 Provide an appropriate response. Find the standardized test statistic t for a sample with n = 15, and if A . B . C . D . = 7.2, s = 0.8, Round your answer to three decimal places. 1.63 1 1.45 2 1.31 2 1.72 8 2 points QUESTION 5 Provide an appropriate response. Find the critical value and rejection region for the type of t-test with level of significance and sample size n. Left-tailed test, = 0.1, n = 22 A t0 = 1.323; . t > 1.323 B t0 = -1.321; t < . 1.321 C t0 = -1.323; t < . 1.323 D t0 = -2.518; t < . 2.518 2 points QUESTION 6 Provide an appropriate response. Find the critical value and rejection region for the type of t-test with level of significance and sample size n. Two-tailed test, = 0.05, n = 38 A t0 = 2.026; t > 2.026 . B t0 = -2.024, t0 = 2.024; t < -2.024, . t > 2.024 C t0 = -2.026, t0 = 2.026; t < -2.026, . t > 2.026 D t0 = -1.687, t0 = 1.687; t < -1.687, . t > 1.687 HW 1. Provide an appropriate response. The Metropolitan Bus Company claims that the mean waiting time for a bus during rush hour is less than 5 minutes. A random sample of 20 waiting times has a mean of 3.7 minutes with a standard deviation of 2.1 minutes. At = 0.01, test the bus company's claim. Assume the distribution is normally distributed. QUESTION 2 Provide an appropriate response. Find the critical value and rejection region for the type of t-test with level of significance and sample size n. Two-tailed test, = 0.05, n = 38 A t0 = -1.687, t0 = 1.687; t < -1.687, . t > 1.687 B t0 = 2.026; t > 2.026 . C t0 = -2.024, t0 = 2.024; t < -2.024, . t > 2.024 D t0 = -2.026, t0 = 2.026; t < -2.026, . t > 2.026 QUESTION 3 Provide an appropriate response. Find the standardized test statistic t for a sample with n = 15, and if A . B . C . D . = 7.2, s = 0.8, Round your answer to three decimal places. 1.31 2 1.45 2 1.63 1 1.72 8 QUESTION 4 Provide an appropriate response. A local school district claims that the number of school days missed by its teachers due to illness is below the national average of = 5. A random sample of 28 teachers provided the data below. At = 0.05, test the district's claim using P-values. 0363354135 7312332416 25283125 H essay-ans-_2604 QUESTION 5 Provide an appropriate response. Find the standardized test statistic t for a sample with n = 10, and if = 16.5, s = 1.3, Round your answer to three decimal places. A . 2.18 9 B . 3.18 6 C . 3.01 0 D. 2.61 7 QUIZ QUESTION 1 Provide an appropriate response. Find the standardized test statistic t for a sample with n = 25, = 0.005 if A . B . C . D . = 28, s = 3, and Round your answer to three decimal places. 1.66 7 1.45 2 1.23 9 1.99 7 QUESTION 2 Provide an appropriate response. Find the critical value and rejection region for the type of t-test with level of significance and sample size n. Left-tailed test, = 0.1, n = 22 A t0 = 1.323; . t > 1.323 B t0 = -1.321; t < - . C . D . 1.321 t0 = -2.518; t < 2.518 t0 = -1.323; t < 1.323 QUESTION 3 Provide an appropriate response. Find the standardized test statistic t for a sample with n = 15, and if A . B . C . D . = 7.2, s = 0.8, Round your answer to three decimal places. 1.31 2 1.72 8 1.45 2 1.63 1 QUESTION 4 Provide an appropriate response. Find the critical value and rejection region for the type of t-test with level of significance and sample size n. Right-tailed test, = 0.1, n = 35 A t0 = 2.441; . t > 2.441 B t0 = 1.307; . t > 1.307 C t0 = 1.307; . t < 1.307 D t0 = 1.306; . t > 1.306

Step by Step Solution

There are 3 Steps involved in it

Step: 1

blur-text-image

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

blur-text-image

Step: 3

blur-text-image

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

Making Hard Decisions with decision tools

Authors: Robert Clemen, Terence Reilly

3rd edition

538797576, 978-0538797573

More Books

Students also viewed these Mathematics questions

Question

Repeat Exercise 83 for 1 = 35.6 and 2 = 40.4.

Answered: 1 week ago