I often hear the opinion that "people who listen to classical music are smarter". In an attempt to test that claim, gave an IQ test to twogroups of people:Group 1: Students who primarily listen to non-classical music.• Group 2: Students who primarily listen to classical music.Their scores are summarized in the following table:Std.DeviationGroup 1 111Group 2 100988711910810211010.3928510597114931019.142Answer the question using a 0.10 level of significance.Select the correct answer to this question:Which is the approximate P-value of this Test?O 0.1480.8520.015O 0.426

Name: I often hear the opinion that "people who listen to classical music a
Uploaded: 2024-03-20T07:07:12.000Z
Channel: Bartleby
Description: I often hear the opinion that "people who listen to classical music are smarter". In an attempt to test that claim, gave an IQ test to twogroups of people:Group 1: Students who primarily listen to non-classical music.• Group 2: Students who primaril

For Group 1 : Mean = (111+98+87+119+108+102+110)/7 = 105 For Group 2 : Mean =…

Math

Statistics

Std. Group 1 111 98 87 Deviation 119 108 102 110 10.392 Group 2 100 85 105 97 114 93 101 9.142 Answer the question using a 0.10 level of significance. Select the correct answer to this question: Which is the approximate P-value of this Test? O 0.148 O 0.852 O 0.015 O 0.426

Std. Group 1 111 98 87 Deviation 119 108 102 110 10.392 Group 2 100 85 105 97 114 93 101 9.142 Answer the question using a 0.10 level of significance. Select the correct answer to this question: Which is the approximate P-value of this Test? O 0.148 O 0.852 O 0.015 O 0.426

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

A researcher thinks that how often someone reports visiting a science museum in a year is different for people with children and people with at least one child. They get the following output: Group Statistics Std. Std. Error Respondent's children Visits to No children N 797 Mean 0.27 Deviation Mean 1.077 0.038 science museum 1 or more children 2062 1.65 4.997 0.969 Independent Samples Test Levene's Test for Equality of Variances t-test for Equality of Means F Visits to Equal 4.492 Sig. 0.034 t -1.231 df 2857 Sig. (2-tailed) 0.218 science museum variances assumed Equal -1.979 2067.380 0.048 variances not assumed 1. Write up the results of the t-test in full APA format. Remember, this means that you should include the following: - Are we assuming equal variances? Why or why not? - mean and standard deviation for each group - the t statistic - the df the observed p-value (remember, this will differ depending on if this is a one-tailed or two-tailed test) indicate what the significance…
1) Dataset: 88 123 47 45 66 190 157 91 3) Assuming the dataset from Question #1 represents a sample, what is the sample standard deviation (Round your answer to 1 decimal place)?
Twenty-two different video games showing violence were observed. The duration times of violence (in seconds) were recorded. When using this sample for a t test of the claim that the population mean is greater than 84 sec, what does df denote, and what is its value? What does df denote? A. The sample standard deviation B. The sample size C. The number of degrees of freedom D. The test statistic The value of df is (Type an integer or a decimal. Do not round.)
Fourteen different video games showing violence were observed. The duration times of violence (in seconds) were recorded. When using this sample for a t test of the claim that the population mean is greater than 92 sec, what does df denote, and what is its value? What does df denote? A. The sample standard deviation B. The number of degrees of freedom Your answer is correct. C. The test statistic D. The sample size The value of df is ________________ (Type an integer or a decimal. Do not round.)
The symbol o represents the standard deviation of a sample of size n. O True O False
Percentage of 18- to 24-year olds living in parents' homes Refer to the figure at the right. At a =0.10, can you reject the claim that the proportion of 18 to 24-year-olds living in their parents' homes in 2000 was the same for men and women? Assume the survey included a random sample of 248 men and 244 women. 7051.5% 41.2% 46.6% 44.3% 2000 2012 I Men I Women Identify the null and alternative hypotheses. Choose the correct answer below. O A. Ho: P1 *P2 H: P1 = P2 O B. Ho: P, P2 O D. Ho: P, > P2 c. Họ: P1 = P2 Ha: P1 SP2 Ha: P, #P2 Find the critical value(s). The critical value(s) is(are). (Round to two decimal places as needed. Use a comma to separate answers as needed.)
The following is a set of data for a population with N= 10. 4 426 117 13 5 7 70 a. Compute the population mean. b. Compute the population standard deviation. a. The population mean isu= 6.6 (Type an integer or a decimal. Do not round.) b. The population standard deviation is o = N (Round to two decimal places as needed.)
a Find the missing information from the following: Group I 50 Group II Group II ? Combined Number Standard Deviation 90 6. 7 200 113 7-746 Mean 115 116 desh Univ. B. Com 199&.
Use the information below to determine how many standard deviations from the mean will the following sample mean be under the circumstances below? u= 36,4032 n-129 o -64.3382 E- 12.5719 Report your answer rounded to 2 decimal places. HINT: the letter "Z" stands for the number of standard deviations from the mean. Type your answer.
The 3rd quartile for the dataset represented in the following boxplotis approximately what value? 95 100 105 110 roughly between 101 and 103 O roughly between 98 and 100 O roughly between 103 and 105 O roughly between 95 and 97
Which of the following is calculated by subtracting the Type II error from 1? 1. Type I error 2. Type II error 3. Power 4. The significance level
Calculate the z-score for the largest value and interpret it in terms of standard deviations. Do the same for the smallest value N: 50 Mean:28.766 SE Mean: 0.476 St.Dev: 3.369 Min: 21.300 Q1: 26.375 Median: 29.400 Q3: 31.150 Max: 35.100