The claimed mean score for all NBA games during a season was 105 points per game. One coach thinks his team's mean score was less.Identify the correct null and alternative hypotheses.На:Identify in context the type I and type II errors for the hypothesis test.Type I error:Type Il error:

Given that the claimed mean score of all NBA games during season was 105 points per game. And one…

Answered: The claimed mean score for all NBA…

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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-In a recent Gallup poll of 511 adults, 64% said that they were in favor of death penalty for a person convicted of murder. We want to use a 0.01 significance level to test the claim that the majority of adults are in favor of the death penalty for a person convicted of murder. a) Identify the null and alternative hypothesis. b) Find the value of the test statistic. c) Determine what we should conclude about the original claim.
Employees from Company A and Company B both receive annual bonuses. What information would you need to test the claim that the difference in annual bonuses is greater than $100 at the 0.05 level of significance? Write out the hypothesis and explain the testing procedure.
What does the p-value represent in a test of hypothesis? The p-value represents the significance level of the hypothesis test. The p-value is the probability that the sample data occurred given that the null hypothesis is true. The p-value is the probability that the sample data occurred given that the alternative hypothesis is true. The p-value is the probability that the null hypothesis is true.
The ___________ is a value used in making a decision about the null hypothesis and is found by converting the sample statistic to a score with the assumption that the null hypothesis is true.
Perform the following hypothesis test of a proportion: HO: p = 0.33 HA: p 0.33 The sample proportion is 0.31 based on a sample size of 100. Use a 10% significance level. What is the value of the test statistic? (Give your answer rounded to 2 decimals) (Be careful to make sure your + or - sign is correct)
If an ANOVA test is conducted and the null hypothesis is rejected, what does this indicate? Multiple Choice The p-value is greater than a. At least one pair of population means is different. The population means are equal. All population means are different.
Identify the type I error and the type II error that correspond to the given hypothesis. The percentage of households with Internet access is greater than 60%.
Classify the hypothesis test as two-tailed, left-tailed, or right-tailed. At one school, the average amount of time that tenth-graders spend watching television each week is 20.1 hours. The principal introduces a campaign to encourage the students to watch less television. One year later, the principal wants to perform a hypothesis test to determine whether the average amount of time spent watching television per week has decreased from the previous mean of 20.1 hours.
A newsletter publisher believes that 48 % of their readers own a laptop. A testing firm believes this is inaccurate and performs a test to dispute the publisher's claim. After performing a test at the 0.10 level of significance, the testing firm fails to reject the null hypothesis. What is the conclusion regarding the publisher’s claim?
3 Upon admission to college, students often must take placement tests in English and mathematics. Students who "fail," for example, the mathematics placement test must retake high school level mathematics (called remedial mathematics) before being able to take the mathematics required to graduate from college. Sometimes students fail the mathematics placement test because they did not bother to review basic ideas of algebra and geometry before taking the test. These students are placed into remedial mathematics classes even though they are capable of doing college level mathematics. The hypothetical table below shows the results for a random sample of 100 entering freshmen who did not bother to review for the placement test. Need Remedial Math (Have Condition) Do Not Need Remedial Math Total Fail Placement Test (Test Positive for Remedial Math) 25 26 51 Pass Placement Test (Test Negative for Remedial Math) 11 38 49 Use this table in completing the following questions and tasks. Total…
Identify the test statistic for this hypothesis. Identify the P-Value for the hypothesis test. Identify the conclusion for the hypothesis. Do the results support the belief that 50.7% of newborn babies are boys?
Q2) Paired-Samples t Test A research project has been tracking the health and cognitive functions of the elderly population in Arizona. The table below shows the memory test scores from some elderly residents, tested first when they were 65 years old and again when they were 75 years old. The researcher wants to know if there is a significant decline in memory functions from age 65 to age 75 based on this sample. In other words, it is hypothesized that the memory score at age 75 is significantly lower than the memory score at age 65. So the null and alternative hypotheses should be directional. The alpha level was set at a = .05 for a one-tailed hypothesis test. Memory score Subject 1 2 3 4 5 6 7 8 9 10 Age 65 62 95 55 90 98 73 73 71 82 66 Age 75 65 88 56 89 90 75 70 70 80 62

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The claimed mean score for all NBA games during a season was 105 points per game. One coach thinks his team's mean score was less. Identify the correct null and alternative hypotheses. Ha: Identify in context the type I and type II errors for the hypothesis test. Type I error: Type |I error: