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For comparing three means based on equal sample sizes of 10 each, the residual sum of squares is 54. What is the estimate of the variance from this analysis? Give your answer to 1 decimal place.
The F-ratio if 5.76 for comparing 3 means based on equal sample sizes of 10 each. What is the p-value of the test? Use the function F.DIST in Excel. Note that this gives the left tail probability. G
In an Anova table for comparing four means, the degrees total of freedom are 30, and between sum of square is 400, and the total sum of squares is 700. What is the F-ratio? Give your answer to 1 dec
Three independent samples of equal size are taken to test for a difference the corresponding population means. The total degreee of freedom is 59. What is the degrees of freedom for the within (resi
An Anova table has an observed F statistic of 5.4, based of 4 degrees of freedom for the between SS and 26 degrees of freedom for the within SS. What is the p-value of the test? Give your answer to
Each recipe was used to bake 10 cakes in large ovens. The data was analysed by a one way Anova. What is the degrees of freedom of the residual or within sum of squares?
To determine the difference in fuel consumption between the BMW 360 Sereis 1 and the Mercedes Benz A-Class hatch, ten cars of each model were selected, and driven around 10 different tracks by 10 di
The value of the test statistic for testing if one population mean is larger than the other, based on samples of size 24 and 19, is 2.45. What is the p-value for the test? Give your answer to 4 deci
Two independent samples of size 20 each are taken to test for a difference in the corresponding population means. The sample means differ by 5, and the pooled variance is 15. What is the value of th
The sample standard deviations for two independent samples of size 20 each are 12 and 15. What is the estimate of the pooled standard deviation? Give your answer to 2 decimal places.
A two independent sample test for difference of population means is based on samples of size 25 and 28. What is the degrees of freedom for the corresponding t-distribution?
A patisserie wants to determine if baking a particular cake at a higher temperature for shorter will produce a lighter cake, as measured by the density of the cake. A trial was conducted, with twent
A list of numbers has an average of 40 and an SD of 15. A new list is formed by adding 10 to every number on the list. If possible, find the r.m.s. of the numbers on the new list. If it is not possi
Lionel wants to play the crane machine arcade game (the one with the mechanical claw) to win a stuffed animal. He is good at the game, so for each time he plays, there is a 10% chance that he will w
your organization has a goal of 15 days for the average processing of a purchase request pr from notification to final
in the first series of rolls of a die the number of odd numbers exceeded the number of even numbers by 5 in the
statistics for categorical data odds ratios and chi-squarethis assignment focuses on categorical data two of the
question 1 the mcdougal sandwich shop has two windows available for serving customers who arrive at a poisson rate of
objectives construct a scatter plot for two variables compute the correlation coefficient compute the formula for the
there are t people who will deposit money into bank at time t which uniformly distributes on 0t each of them has 1t
there are infinity people they will deposit money into bank at time t which follows uniform distribution on 0t each
wilcoxon rank-sum testlet us consider another hypothetical situation the who wants to compare the mortality rates of
part a dependent t testfor this assignment we are interested in finding out whether participation in a creative writing
in performing a symemetric approximation you calculate a mean of the total system cost as 1800k the variance is 2500k