t-Test: Two-Sample Assuming Unequal Variances Hourly Wages Mean Variance Observations Hypothesized Mean Difference df t Stat P(T<=t) one-tail t Critical one-tail P(T<=t) two-tail t Critical two-tail Females Males 39.58 52.70 721.9756547 1049.186198 17 0 23 -1.18248435 0.124547072 1.713871528 0.249094145 2.06865761 13
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how can I interpreter my findings? and how to use a lsignificance level of 5%
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- Conversion formula, z = - Variance: Examus cdn.student.uae.examus.net/?rldbgn=1&sessi... State whether the question is true or false 2dc1917 and the number of trials is n= 20, then the mean (E) of of success in one trial of a binomial distribution is distribution is equal to 10 ce36 Formulae Sheet STAT-101-1 3def917 Conversion formula, z = Minimum "usual" value = i- 2s P(x) = n! (n-x)!x! x- Maximum "usual" value = Ex S = Midrange E(x-)2 min value+max value %3D 22 Variance = npq n-1 a. Relative Frequency = True Frequency of the class %3D Total Frequency E-ΣΧΡ(); b. False de36 dcf917 E= np ce362dc9 e362dcf917 ce362dcf917 ce362dcf917 0% 64 MacBook Pro e362dcf917 PI EGO L.A child care center wants to determine if there is a relationship between how long a child naps in minutes (20,21,22,23,24,etc.,etc) and incidents of aggression (1,2,3,4,etc.,etc). What type of statistical test should be used? Group of answer choices Chi Square Independent t-test Dependent t-test ANOVA Correlation AnalysisThe standard error of the mean (Qx) is a(n) estimate of population means which make up the sampling distribution. indication of variability in the distribution of sample means indication of variability in the raw data derived from the sample measure of variability in the population
- Can you please add this to excel file and attaché the file ASAP pleaseSubmit quiz point(s) possible Construct a 95% confidence interval for H₁₂ with the sample statistics for mean cholesterol content of a hamburger from two fast food chains and confidence interval construction formula below. Assume the populations are approximately normal with unequal variances. Stats =95 mg, s₁ =3.88 mg, n₁ = 19 Confidence interval when variances are not equal (x-2)-1 Ոշ d.f. is the smaller of n₁-1 or n₂-1 Enter the endpoints of the interval. (Round to the nearest integer as needed.) x245 mg. $22.14 mg, n₂ = 12how do you find standard deviation, variance, and confidence level 95.0% for december 2021 and 2022?
- Court_Income Justice_Salary61 27408 431569 901135 58260 45252 62103 25169 2326 24Independent random samples of 45 and 55 observations are drawn from two quantitative populations, 1 and 2, respectively. The sample data summary is shown here in image attached At 5% level of significance do the data present sufficient evidence to indicate that the mean for population 1 is smaller than the mean for population 2? Use the p-value approach and the critical value approach and explain your conclusion.pls also find p value