Could please help interpret this SPSS output of a Independent sample t-test? Independent Samples Testt-test for Equality of MeansMeanStd. ErrorDifferenceDifferenceI need a lot moreEqual variances-.01084.31258infomration about theassumedcompany's productsbefore l'd buyEqual variances not-.01084.31208Group StatisticsassumedWhat is yourStd.Std. ErrorgenderNMeanDeviationMeanIndependent Samples TestI need a lot morefemale764.34211.73246.19873t-test for Equality of Meansinfomration about themale514.35291.71841.2406395% Confidence Interval ofcompany's productsbefore l'd buythe DifferenceLowerUpper.60780I need a lot moreEqual variances-.62948Independent Samples Testinfomration about theassumedt-test forcompany's productsbefore l'd buyEqual variances not-.62943.60776Levene's Test for Equality of EqualityassumedVariancesof MeansIndependent Samples Effect SizesFSig.95% ConfidenceI need a lot moreEqual variances.001.977-.035StandardizerPointIntervalinfomration about theassumedEstimateLowerUppercompany's productsbefore l'd buyEqual variances notassumed-.035I need a lot moreCohen's d1.72685-.006-.361.349infomration about theHedges'correction1.73730-.006-.359.346company's productsbefore l'd buyIndependent Samples TestGlass's delta1.71841-.006-.361.349a. The denominator used in estimating the effect sizes.Cohen's d uses the pooled standard deviation.Hedges' correction uses the pooled standard deviation, plus a correction factor.Glass's delta uses the sample standard deviation of the control group.t-test for Equality of MeansSignificanceOne-Sided Two-SideddfEqual variancesassumedI need a lot more125.486.972infomration about thecompany's productsbefore l'd buyEqual variances not107.979.486.972assumed

Independent samples t-test is an inferential statistical procedure.

Answered: Could please help interpret this SPSS…

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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While an independent samples t-test compares two separate groups of people, a paired sample t-test compares the same group of people over time or across two different treatments or events or etc. True False
The average retirement age in America is 66 years old. Do small business owners retire at an older average age? The data below shows the results of a survey of small business owners who have recently retired. Assume that the distribution of the population is normal. 63, 74, 59, 64, 74, 60, 71, 67, 65, 70, 63 What can be concluded at the the � = 0.05 level of significance level of significance? For this study, we should use The null and alternative hypotheses would be: �0: �1: The test statistic = (please show your answer to 3 decimal places.) The p-value = (Please show your answer to 4 decimal places.) The p-value is � Based on this, we should the null hypothesis. Thus, the final conclusion is that ... The data suggest the populaton mean is significantly older than 66 at � = 0.05, so there is sufficient evidence to conclude that the population mean retirement age for small business owners is older than 66. The data suggest…
Researchers were interested in assessing whether stress levels are different at the beginning of the semester compared to finals week. To test this, stress was measured in 5 students at the start of the semester and then again at the end of the semester during finals week. Participant Stress 1 Stress 2 Difference Score (Di) (Di - Mdiff)2 1 22 22 0 2 32 34 -2 3 24 25 -1 4 28 30 -2 5 26 29 -3 What is the observed test statistic (i.e., tobs)? Round to 2 decimal places.
What test should you use to analyze these results, and why? Will you use a one-tailed or a two-tailed test? Also, what is the result of your analysis?
In a test of weight loss programs, 111 subjects were divided such that 37 subjects followed each of 3 diets. Each was weighed a year after starting the diet and the results are in the ANOVA table below. Use a 0.05 significance level to test the claim that the mean weight loss is the same for the different diets. Source of Variation Between Groups Within Groups Total P-value 25.38918 0.8127 0.446353 F crit 3.080387 df MS F 50.778 3373.977 3424.755 2 108 31.24053 110 Should the null hypothesis that all the diets have the same mean weight loss be rejected? O A. Yes, because the P-value is greater than the significance level. O B. No, because the P-value is greater than the significance level. OC. No, because the P-value is less than the significance level. O D. Yes, because the P-value is less than the significance level.
"STA3000Y - Advanced Theory of Statistics" is a graduate course taught at UTSG, which can only be taken by PhD students in the Department of Statistical Sciences. Assume the class consists of N = 8 students. The final marks in the course are: 95, 66, 71, 93, 75, 88, 68, 100 Find o?, the population variance. Show all the steps. Do not use any statistical package/excel here. For example, do not copy the final answer from R or from excel. Circle the final answer. Based on a simple random sample (without replacement) of size 4 selected from this class, find the exact variance of the sample total. Show all the steps. Circle the final answer. Based on a simple random sample (with replacement) of size 4 selected from this class, find the exact variance of the sample total. Show all the steps. Circle the final answer. According to the graduate school, a student fails a course if a student scores less than 72. Based on a simple random sample (without replacement) of size 4 selected from this…
Use a 0.05 significance level to test the claim that males and females have the same mean BMI Male BMI n=80 * = 26.3 s = 5.4 Female BMI n=61 I = 28.4 s = 7.4

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