A large orchard owner in the province of Western Cape is interested in determining whether the mean number of bushels of peaches per acre is the sameor different depending on the type of tree that is used.SUMMARYGroupsCountSumAverageVarianceSum RankТуре 116503301700047Туре 25.12502501000034.5Туре 314002802700038.5ANOVASource of VariationSdfMSFP-valueF critBetween GroupsB8166.6666670.645734Within Groups216000HTotalD.14Determine the test statistic (Kruskal-Wallis):A. 7.079B. 3.815C. 4.069D.0.478

We have given that Total number of observation=n=15 Number of treatment=k=3

Answered: A large is interested in determining…

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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The accompanying dala gives the results of a survey on the number of hours spent online per week on a certain social networking website. Determine if the mean number of hours spent online per week is the same for males as it is for females. Assume that the population variances are unequal Click the icon to view the social media survey data. Is there sufficient evidence at the 0.05 level of significance that the mean number of hours spent online per week is the same for males as it is for females? Determine the null hypothesis, Ho, and the alternative hypothesis, H₁. Let females be population 1 and males be population 2. Survey data Ho H₁ (Type integers or decimals. Do not round.) Gender Female Hours online/week Gender Hours online/week D 4 Male Female 11 Male Female 9 Male Female 8 Male Female 7 Male Female 13 Male Female 2 Male Female 6 Male Female 2 Male Female 6 Male Female 7 Make Female 3 Male Female Female Female Female Female Female Female Female 46021337 Mole 0653T50478145 8…
Experience has shown that a grade in MAT 2371 is normally distributed with mean 66 and variance 64. Assume that the grades are independent of each other. What proportion of the class will get a grade of at least 80? 0,5656 0.0401 0.5871 0.9599 0.4129
Here is a data set summarized as a stem-and-leaf plot: Stem Leaf 0014667799 001135566 667799 8 04667 026 What is the minimum value in the third class? What is the minimum value in the entire sample? > Next Question
Indicate which of the following are measures of spread. (a)Inter quartile range (b)Mean (c)Range (d)Variance
Plzz explain a and b
find the sample variance for the following data set using xi and (xi^2) 20.2, 21.8, 17.6 , 21.6 , 19.5 , 19.8 , 18.6
When using analysis of variance , the calculated F statistic will decrease as A) the variability among the groups decreases relative to the variability within the groups.B) the total variability increases.C) the total variability decreases.D) the variability among the groups increases relative to the variability within the groups.
Compute inter quartile range and its coefficient and also find variance and S.D for the following dataClassic frequency9.3-9.7 029.8-10.2 0510.3-10.7 1210.8-11.2 1711.3-11.7 1411.8-12.2 0612.3-12.7 0312.8-13.2 01
. A process that cuts lengths of metal with high precision has historically produced metal rods with length that is normally distributed and with a mean of 800 millimetres (mm). Management at the factory is concerned that after an overhaul of the machine the mean length of the rods being produced could differ from the required 800 mm. If it is found that the rods are not being produced to specifications then the machine will have to be stopped for readjustment, with a consequent loss of production. The production line manager tasked with investigating the issue finds that a (random) sample of 25 rods yielded a mean length of 806 mm and a sample standard deviation of 10 mm. i. The mean of the sample is clearly not the required 800 mm. Say why this is not enough information in itself to say if the machine is operating correctly or not. ii. State the null and alternative hypotheses for this situation.
The article cited in Exercise 19 provides measures of electrical conductivity (in uS/cm). The results are presented in the following table. Sample Size 49 Location Mean SD Upstream 463 208 Midstream 363 98 31 Downstream 647 878 30 Can a one-way analysis of variance be used to determine whether conductivity varies with location? Or is one of the necessary assumptions violated? Explain.
Determine the mean, median and mode for the sample of masses of students. Show all work, use proper notation and provide a therefore statement.

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