lever | PortalE Edulastic->* app.edulastic.com/student/assessment/6047cfb343405200082ef515/class/S14b08b95dd16ded17187931/uta/60481Question 7/8> NEXTA BOOKMARKE7The table below shows the frequency of FSA Writes essay scores for a particular group of students.Essay scoreNumber of students2.3.4.4.3.2.6.1How many students were in this data set?How many students earned at least a level 3 essay score?What ie the mode of the data cet?O Type here to searchDELLF3F4F6F7FBF9F10EscF24.144%23%242378T.YTabQFaps LockCe inR talE EdulasticA app.edulastic.com/student/assessment/6047cfb343405200082ef515/class/5f4b08b95dd16ded17187931/uta/uestion 7/8> NEXTA BOOKMARK4.32.61How many students were in this data set?How many students earned at least a level 3 essay score?What is the mode of the data set?What was the median score earned in this group of students?What was the mean score? Round your answer to the nearest tenth.P Type here to searchDELLF7FBF9F10F4IFSF6F2F3F14.&@%23%2434.6.RYWF0つエ

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Description: lever | PortalE Edulastic->* app.edulastic.com/student/assessment/6047cfb343405200082ef515/class/S14b08b95dd16ded17187931/uta/60481Question 7/8> NEXTA BOOKMARKE7The table below shows the frequency of FSA Writes essay scores for a particular group of

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The table below shows the frequency of FSA Writes essay scores for a particular group of students. Essay score Number of students 1 3 4. 4. 3. 2 1. How many students were in this data set? How many students earned at least a level 3 essay score?

The table below shows the frequency of FSA Writes essay scores for a particular group of students. Essay score Number of students 1 3 4. 4. 3. 2 1. How many students were in this data set? How many students earned at least a level 3 essay score?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.3: Measures Of Spread

Problem 1GP

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Two popular drugs used for the treatment of depression are Resithan and Exemor. A random sample of 590 depressed individuals is selected and treated with Resithan, and 203 find relief from their depression. A random sample of 481 depressed individuals is independently selected from the first sample and treated with Exemor, and 179 find relief from their depression. Can we conclude, at the 0.05 level of significance, that the proportion p1 of depressed individuals taking Resithan who find relief from depression is less than the proportion p2 of all depressed individuals taking Exemor who find relief from depression? Perform a one-tailed test. The null hypothesis: H0: The alternative hypothesis: H1: The type of test statistic: (Choose one)ZtChi squareF The value of the test statistic:(Round to at least three decimal places.) The critical value at the 0.05 level of significance:(Round to at least three…
A consumer-testing agency wants to evaluate the claim made by a manufacturer of discount tires. The manufacturer claims that its tires can be driven at least 35,000 miles before wearing out. To determine the average number of miles that can be obtained from the manufacturer’s tires, the agency randomly selects 60 tires from the manufacturer’s warehouse and places the tires on 15 cars driven by test drivers on a 2-mile oval track. The number of miles driven (in thousands of miles) until the tires are determined to be worn out is given in the following table. Car Miles Driven 1 25 2 27 3 35 4 42 5 28 6 37 7 40 8 31 9 29 10 33 11 30 12 26 13 31 14 28 15 30 Average 31.47 Standard 5.04 Agency would like to know if the manufacturer’s claim is false. Carryout an appropriate hypothesis test (use 1% significance level). Check any assumptions you think are relevant before doing the text.
A consumer testing agency wants to evaluate the claim made by a manufacturer of discount tires. The manufacturer claims that its tires can be driven at least 35,000 miles before wearing out. To determine the average number of miles that can be obtained from the manufacturer’s tires, the agency randomly selects 60 tires from the manufacturer’s warehouse and places the tires on 15 cars driven by test drivers on a 2-mile oval track. The number of miles driven (in thousands of miles) until the tires are determined to be worn out is given in the following table. Car 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 n y s Miles Driven 25 27 35 42 28 37 40 31 29 33 30 26 31 28 30 15 31.47 5.04 a. Place a 99% confidence interval on the average number of miles driven, m, prior to the tires wearing out. b. Is there significant evidence (a 5 .01) that the manufacturer’s claim is false? What is the level of significance of your test? Interpret your findings.
Camille for her part wants to assess the impact of an awareness campaign aimed at reducing the amount of household food waste. The campaign is taking place in a subset of neighborhoods of Ville de Montréal. Camille’s objective is to compare the average amount of food waste produced in those neighborhoods, with that in neighborhoods not targeted by the campaign. Therefore, she randomly chooses five neighborhoods targeted by the campaign and five neighborhoods where the campaign does not take place. In each of the 10 neighborhoods, she monitors the weekly amount of food waste (kg) for each of a number of households, and calculates amounts on a per household basis; see below. Is the amount of food waste per household in the neighborhoods targeted by the campaign lower, on average, than in those not targeted by the campaign? Use α= 0.05.
Two popular drugs used for the treatment of depression are Resithan and Exemor. A random sample of 408 depressed individuals is selected and treated with Resithan, and 192 find relief from their depression. A random sample of 520 depressed individuals is independently selected from the first sample and treated with Exemor, and 211 find relief from their depression. Can we conclude, at the 0.05 level of significance, that the proportion p1 of all depressed individuals taking Resithan who find relief from depression is greater than the proportion p2 of all depressed individuals taking Exemor who find relief from depression? Perform a one-tailed test. Then complete the parts below. Carry your intermediate computations to three or more decimal places and round your answers as specified in the parts below. (If necessary, consult a list of formulas.)
A medical researcher wishes to try three different techniques to lower cholesterol levels of patients with highcholesterol levels. The subjects are randomly selected and assigned to one of three groups. Group 1 is givenmedication, Group 2 is given an exercise program, and Group 3 is assigned a diet program. At the end of sixweeks, each subject's cholesterol level is recorded. Use the printout from Minitab to make a decision andconcluesion about the mean cholesterol levels found in the groups after the different techniquess were applied.Use΅= 0.05. Group 1 9, 12, 11, 15, 13, 8 Group 2 8, 3, 2, 5, 4, 0 Group 3 6, 12, 4, 4, 9, 8 A) Hypothesis Ho : Ha : B) Decision to reject or fail to reject Ho based on the Minitab printout. C) Conclusion about the problem statement as it pertains to cholesterol and the groups.