One Quantitative Variable, Multiple Groups Variable name: | Input: Raw data Group Name 1 Atlantic Metro Central 2 3 Add group ● Begin analysis Edit inputs Reset everything Graph Distributions Graph type: [Dotplot 50 50 50 Input data separated by commas or spaces. 103, 98, 95, 95, 94, 81, 79 60 118, 111, 108, 102, 94, 88, 87 109, 106, 99, 94, 87, 79, 48 60 70 H 60 70 Export summary statistics 70 + 80 T 80 20 80 Variable 90 T 90 M 90 Summary Statistics Group Namen mean SD min Q1 med Q3 max 1: Atlantic 7 92.143 8.84 79 81 95 98 103 2: Metro 7 101.143 11.922 87 88 102 111 118 3: Central 7 88.857 20.812 48 79 94 106 109 283.19 217.81 ● 100 T ... 100 ● in 100 Source df Sum of Squares Mean Square F-value P-value Group 2 566.381 1.3 0.297 Error 18 3920.571 Total 20 4486.952 110 ● 110 ● ● 110 Atlantic Perform Inference Inference procedure: One-way ANOVA Include follow-up analysis using a confidence level of [95 Perform inference Adjust color, rounding, and percent/proportion preferences | Back to menu -Metro -Central %

a study is done to test the claim that Company A retains its workers longer than Company B. write the hypothesis in symbolic form?

Complete all six steps of hypothesis tesitng. A college president wanted to know how 10-year-after-graduation salaries for academic majors (English, psychology, math, etc.) compared to salaries for career-oriented majors (business, engineering, computer science, etc.). She matched 84 academic majors at her college with 84 career-oriented majors on the basis of SAT scores and GPA. She found MAcademic = $59,250, MCareer =$61,000, sD = 9,500. Analyze and interpret.

Which rule(s) of inference are used? Question 6 Samantha will bring brownies or chocolate chip cookies to the party. Samantha did not bring brownies, therefore she brought chocolate chip cookies.

Please Answert the questions in the photo. Thank You!

The logic behind a statistical test of hypothesis is similar to the following logic. Draw two lines on a paper and determine whether they are of different lengths. You compare them and say,"Well, certainly they are not equal. Therefore they must be of different lengths. By rejecting equality, that is, the null hypothesis, you assert that there is a difference

For each statement, select the correct null hypothesis, Ho, and alternative hypothesis, Ha, in symbolic form.

Laura spends an average of 1.5 hours doing her homework. After organizing her desk, Laura thinks she will spend less time doing her homework. She wants to the test that claim. Please show ALL work and explanations! Thank You! A.)State the null hypothesis. B.)State the alternative hypothesis

At a nearby college, there is a school-sponsored website that matches people looking for roommates. According to the school's reports, 39% of students will find a match their first time using the site. A writer for the school newspaper tests this claim by choosing a random sample of 160 students who visited the site looking for a roommate. Of the students surveyed, 54 said they found a match their first time using the site. Complete the parts below to perform a hypothesis test to see if there is enough evidence, at the 0.10 level of significance, to reject the claim that the proportion, p, of all students who will find a match their first time using the site is 39%. (a) State the null hypothesis H, and the alternative hypothesis H₁ that you would use for the test. Ho: H₁:0 р 0<0 0<0 □□ 0=0 (b) For your hypothesis test, you will use a Z-test. Find the values of np and n (1-p) to confirm that a Z-test can be used. (One standard is that np≥ 10 and (1-p) ≥10 under the assumption that the…

In most judicial systems, a defendant is innocent until proven guilty. An attorney defends the null hypothesis that his client, the defendant, is innocent. From the judge’s point of view, what are the implications of making the following types of errors? A Type I error A Type II error