Choose the conclusion of this test using a 5 % significance level.O Reject Ho. The model is not effective.O Reject Ho. The model is effective.O Do not reject Hn. We did not find evidence that the model is not effective.O Do not reject Ho. We did not find evidence that the model is effective.eTextbook and MediaHintSave for LaterAttempts: 0Type here to search Use the following ANOVA table for regression to answer the questions.Analysis of VarianceSourceDFSSMSF PRegression1285.4 285.4 1.85 0.176Residual Error 174 26848.2154.3Total175 27133.6Give the F-statistic and p-value.Enter the exact answers.The F-statistic isThe p-value iseTextbook and MediaHint63°F CloudyType here to searchPaDIIPrtScnF8HomeF9EndF10

From the given output, F statistic is 1.85 P value is 0.176

Answered: Choose the conclusion of this test…

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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13
Median household income in a particular county is $46,250. A researcher is interested to see whether students at the county community college have a median household income lower than the county overalI. She selects 15 students at random and determines that 12 have a household income below the county median, one has an income equal to the county median, and two have a household income above the county median. She wishes to conduct her test using the 0.05 significance level. What is the decision rule? Multiple Choice Reject Ho if the number above the median is <3 or 28. Reject Ho if the number above the median is <3. Reject Ho if the number above the median is <2 or 210. Reject Ho if the number above the median is <2.
Claim: Most adults would erase all of their personal information online if they could. A software firm survey of 600 randomly selected adults showed that 62% of them would erase all of their personal information online if they could. Find the value of the test statistic.
Hypothesis testing will consist of four hypothesis tests which you need to complete. each test will require the following: Type of Test: Null Hypothesis: Alternate Hypothesis: SE: Test Statistic: P-value: Decision: Sentence:
= Rhino viruses typically cause common colds. In a test of the effectiveness of echinacea, 43 of the 49 subjects treated with echinacea developed rhinovirus infections. In a placebo group, 92 of the 109 subjects developed rhinovirus infections. Use a 0.05 significance level to test the claim that echinacea has an effect on rhinovirus infections. Complete parts (a) through (c) below. a. Test the claim using a hypothesis test. Consider the first sample to be the sample of subjects treated with echinacea and the second sample to be the sample of subjects treated with a placebo. What are the null and alternative hypotheses for the hypothesis test? OA. Ho: P₁ P2 H₁: P₁ = P2 O D. Ho: P₁ P2 H₁: P₁ P2 Identify the test statistic. Z= (Round to two decimal places as needed.) Identify the P-value. OB. Ho: P₁ P2 H₁: P₁ P2 ? O E. Ho: P₁ P2 H₁: P₁ P2 P-value= (Round to three decimal places as needed.) What is the conclusion based on the hypothesis test? The P-value is the significance level of a =…
Conduct a hypothesis testing, write down all relevant statistics and parameters check conditions and calculate testing. Test at a 5% significance level. Base your answer on a classical or p vaule approach
Using the General Social Survey of 2012, determine if there is sufficient evidence to infer that the average American watches more than 24 hours per week, which is 3 hours per day (TVHOURS). Use a 5% significance level for all tests.ONLY USE EXCEL AND PLEASE SHOW ALL STEPS AND EXCEL COMMANDS. ?0:?=3 ?1:?>3 ID AGE SEX DEGREE HRS1 WRKSLF TVHOURS 55088 22 1 3 15 2 1 55089 21 1 1 30 2 55090 42 1 1 60 2 55091 49 2 1 2 4 55092 70 2 3 2 3 55093 50 2 3 2 4 55094 35 2 2 2 3 55095 24 2 0 55096 28 2 0 55097 28 2 3 40 2 55098 55 1 0 2 6 55099 36 2 3 20 2 55100 28 2 1 55101 59 2 1 2 2 55102 52 1 0 32 2 2 55103 35 2 1 53 2 55104 36 1 1 60 2 2 55105 47 2 1 40 2 3 55106 55 1 1 40 2 55107 18 2 1 5 55108 76 2 0 2 55109 39 1 0 12 2 55110 54 1 2 40 2 3 55111 45 2 2 40 2 0 55112 71 1 1 2 2 55113 42 2 3 75 2 55114 22 1 1 40 2 2 55115 50 1 0 8 55116 81 2 3 2 4 55117 44 2 1…
Exercise 2: The school board of Two Guns, Texas is deeply concerned that their public school teachers are quitting their jobs and accepting teaching positions in other parts of the state. Some members of the school board think that the reason why teachers are quitting is because their weekly salaries are lower than those offered by other school boards in the state. The school board hires you to conduct a significance test. The research question: Do teachers in other parts of Texas earn higher average weekly salaries than those working in the Two Guns school district? There is no estimate of the population standard deviations. The significance level will be set at 5%. Step 1: Test Set-up Question 1: How large a sample is needed to achieve 80% statistical power? Based on past research Cohen's d effect size is estimated at 0.40, which is a small effect. See the table below: Cohen's d ES Thresholds Small 0.2 Medium 0.5 Large 0.8 Here are the results of an a priori power analysis run using…
Hypothesis Test: Perform the specified hypothesis test. Be sure to include your statistical andin-context conclusion statements. In 1994, 52% of parents with children in high school felt it was a serious problem that high schoolstudents were not being taught enough math and science. A recent survey found that 512 of 1000 parentswith children in high school felt it was a serious problem that high school students were not being taughtenough math and science. Do parents feel different today than they did in 1994? Use the α = 0.005significance level.
Tne roilowing tapie contains tne scores rom a group or 1ɔ nign scnooi seniors on a psycnoiogicai assessment or positive arrect ror tne supject or matn ana tneir scores on the same assessment for the subject of chemistry. The assessment measures the strength of the student's positive feelings towards the subject on a 40-point scale, with 40 being the most positive. Positive Affect Assessment Score for Math Assessment, x Score for Chemistry Assessment, y 25 20 31 24 7 10 31 25 10 4 8 27 26 9 8 10 9 9 29 28 16 17 23 17 26 14 40 28 Copy Data Step 1 of 2: Calculate the sum of squared errors, SSE, based on a regression analysis of the assessment data. Round your answer to two decimal places, if necessary.
If gender is the independent variable of a quasi-experiment, this experiment must have a between-subject design. Group of answer choices True False
Using 1% for the significance level, find the conclusion of this hypothesis testing in words using the p-value approach. Follow the questions below. 1) State the p-value and interpret the p-value in words. 2) Using the significance level and the p-value, state the conclusion of this hypothesis testing.

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