i) What can be concluded at the a = 0.001 level of significance? Based on this, we should (Select an answer the null hypothesis. ii) Thus, the final conclusion is that ... | The data suggest the populaton mean is significantly more than 19 at a = 0.001, so there is statistically significant evidence to conclude that the population mean amount of time to make a pizza at Super Fast Pizza is more than 19. The data suggest that the population mean amount of time to make a pizza at Super Fast Pizza is not significantly more than 19 at a = 0.001, so there is statistically insignificant evidence to conclude that the population mean amount of time to make a pizza at Super Fast Pizza is more than 19. %3D The data suggest the population mean is not significantly more than 19 at a = 0.001, so there is statistically insignificant evidence to conclude that the population mean amount of time to make a pizza at Super Fast Pizza is equal to 19. %3D

i) What can be concluded at the a = 0.001 level of significance? Based on this, we should (Select an answer the null hypothesis. ii) Thus, the final conclusion is that ... | The data suggest the populaton mean is significantly more than 19 at a = 0.001, so there is statistically significant evidence to conclude that the population mean amount of time to make a pizza at Super Fast Pizza is more than 19. The data suggest that the population mean amount of time to make a pizza at Super Fast Pizza is not significantly more than 19 at a = 0.001, so there is statistically insignificant evidence to conclude that the population mean amount of time to make a pizza at Super Fast Pizza is more than 19. %3D The data suggest the population mean is not significantly more than 19 at a = 0.001, so there is statistically insignificant evidence to conclude that the population mean amount of time to make a pizza at Super Fast Pizza is equal to 19. %3D

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

The following hypotheses are given to determine an One-Tail testing. H0: p≤0 Ha: p >0 A random sample of 10 paired observations indicated a correlation (r) of .35. Can we conclude that the correlation in the population is greater than zero by performing the t-statistic? By using the .05 significance level, what is the p-value or critial value?____________ What is your decision regarding Ho or the null hypothosis? The Airline Passenger Association studied the relationship between the number of passengers on a particular flight and the cost of the flight. It seems logical that more passengers on the flight will result in more weight and more luaggage, which in turn will result in higher fuel costs. For a sample of 13 flights, the correlation between the number of passengers and total fuel cost was .37. Is it reasonable to conclude that there is positive association in the population between the two variables? H0: p≤0 Ha: p >0 The…
. nonzerorands expects 3 arguments The average American consumes 100 liters of alcohol per year. Does the average college student consume a different amount of alcohol per year? A researcher surveyed 15 randomly selected college students and found that they averaged 86 liters of alcohol consumed per year with a standard deviation of 16 liters. What can be concluded at the the a = 0.05 level of significance? a. For this study, we should use t-test for a population mean b. The null and alternative hypotheses would be: Ho: μν H₁: 100 100 E -3.389 (please show your answer to 3 decimal places.) (Please show your answer to 4 decimal places.) c. The test statistic t d. The p-value = e. The p-value is > ✓ a f. Based on this, we should fail to reject g. Thus, the final conclusion is that ... the null hypothesis. O The data suggest the populaton mean is significantly different from 100 at a = 0.05, so there is statistically significant evidence to conclude that the population mean amount of…
11
Test whether µ, <µ, at the a = 0.01 level of significance for the sample data shown in the accompanying table. Assume that the populations are normally distributed. Click the icon to view the data table. Determine the null and alternative hypothesis for this test. A. Ho:H1
Professor Nord stated that the mean score on the final exam from all the years he has been teaching is a 79%. Colby was in his most recent class, and his class’s mean score on the final exam was 82%. Colby decided to run a hypothesis test to determine if the mean score of his class was significantly greater than the mean score of the population. α = .01. What is the mean score of the population? What is the mean score of the sample? Is this test one-tailed or two-tailed? Why?
15
Next Question Assume a significance level of a = 0.05 and use the given information to cd d (b) below. Original claim: More than 43% of adults would erase all of their personal information online if they could. The hypothesis test results in a P-value of 0.0443. ..... a. State a conclusion about the null hypothesis. (Reject Ho or fail to reject Ho.) Choose the correct answer below. A. Fail to reject Ho because the P-value is greater than x. B. Reject H, because the P-value is less than or equal to a. C. Fail to reject H, because the P-value is less than or equal to a. O D. Reject Ho because the P-value is greater than a. b. Without using technical terms, state a final conclusion that addresses the original claim. Which of the following is the correct conclusion? A. There is sufficient evidence to support the claim that the percentage of adults that would erase all of their personal information online if they could is more than 43%. B. There is not sufficient evidence to support the…
EXAMPLE 2 Fewer Than 30% of Adults Have Sleepwalked? Using the same sleepwalking data from Example 1 (n = 20,000 and ôi = 28.5% would a reporter be justified in stating that “fewer than 30% of adults have sieef - walked"? Let's use a 0.05 significance level to test the claim that for the adult popu- lation, the proportion of those who have sleepwalked is less than 0.30.
Suppose you want to test the claim that a population mean equals 40. (a) State the null hypothesis. H0: μ > 40 H0: μ < 40 H0: μ = 40 H0: μ ≠ 40 H0: μ ≥ 40 (b) State the alternate hypothesis if you have no information regarding how the population mean might differ from 40. H1: μ > 40 H1: μ < 40 H1: μ = 40 H1: μ ≠ 40 H1: μ ≥ 40 (c) State the alternative hypothesis if you believe (based on experience or past studies) that the population mean may exceed 40. H1: μ > 40 H1: μ < 40 H1: μ = 40 H1: μ ≠ 40 H1: μ ≥ 40
You are conducting a study to see if the probability of catching the flu this year is significantly less than 0.22. You use a significance level of a = 0.01. Ho: p = 0.22 H₁ p < 0.22 You obtain a sample of size n= 746 in which there are 131 successes. What is the p-value for this sample? (Report answer accurate to four decimal places.) p-value = The p-value is... O less than (or equal to) a O greater than a This p-value leads to a decision to... O reject the null O accept the null O fail to reject the null As such, the final conclusion is that... O There is sufficient evidence to warrant rejection of the claim that the probability of catching the flu this year is less than 0.22. O There is not sufficient evidence to warrant rejection of the claim that the probability of catching the flu this year is less than 0.22. O The sample data support the claim that the probability of catching the flu this year is less than 0.22. O There is not sufficient sample evidence to support the claim that…
Or the given scenario determine the type of error that was made if any.( Hint:Begin by determining the null and alternative hypothesis.) Economists considered a $3.110 as the mean price for a gallon of unleaded gasoline in the United States in a certain year. One consumer claims that the main price for a gallon of unleaded gasoline in the United States in a certain year is different from $3.110. The consumer conducts a hypothesis test and fails to reject the null hypothesis. Assume that in reality the main price for a gallon of unleaded gasoline in the United States in a certain year is $3.21. Was there an error made?if so what type?