From the resulted chi square value & degrees of freedom

Q: Note that Part 2 is independent from part 1. e) Let Y and Z be two random variables with Y = 4+8Z…

A: Let Y and Z be the two random variables Y=4+8Z  μz=6.8  σz2=31.28  We have to find mean of Y and…

Q: The UWI Open Campus has commissioned a study to determine how student will perform in ECON3080 based…

A: The UWI Open Campus has commissioned a study to determine how student will perform in ECON3080 based…

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A: ANOVA is Analysis of variance.

Q: What steps do I take on SPSS to do data screening for a T-Test?

A: For a T-test, the following assumptions are to be met and verified which is given by:   Continuos…

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A: Null vs Alternative hyptheses:P-value = 0.04

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A: The test statistic for two tailed test is Z = -2.05

Q: 20. Which of the following obtained t-values is going to have the smallest p value3 Assume that all…

A: We have to find smallest P-value, From the given values the smallest P-value is -2.01.

Q: The material of the plate on which our food is served might affect how much we eat (Williamson,…

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Q: The dotplot below is a randomization distribution of 3,000 randomization sample differences in means…

A: Null Hypothesis: H0:μc-μN=0 Alternative Hypothesis: Ha:μc-μN>0

Q: statistical significance,

A: What Is Statistical Significance? Statistical significance refers to the claim that a result from…

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A:

Q: Nonparametric: A small study is conducted to compare birth weight in babies born to mothers who do…

A: Non smoker = sample (1) = n1 = 6 Heavy smoker = sample (2) = n2 = 8 First we put both samples…

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A: Sample size is n = 50  Sample mean = 80 Population SD = 15 Confidence level = 99% = 0.99

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A:

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A: Given information: The information about correlation is given.

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A: Part a)sample mean, xˉ=3.55standard Error, SE = 0.06sample size, n = 10degrees of freedom, df​=n−1=9…

Q: How does a prudent biometrician decide on an alpha level for statistical testing?

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Q: What test is to be used considering variables and direction? Why is this the correct test? State…

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Q: Right tail test with Zcalc = 1.07. What is the p-value of the test?

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Q: Hi there, what should I select for the second part of (a) ? And whic hdo I select for the value of…

A: The given data shows the site type and type of pottery.

Q: What is tcrit for a one sample, one tailed t-test, with n=13 and α=0.05

A: given data, one- tailed t- test n=13df=13-1=12α=0.05t-critical value=?

Q: What is the P-value of the chi-square test of independence?

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A: We have given thatn1 = 116 , x1 = 200n2 = 92 ,  x2 = 200Significance level (α) = 0.05

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A: It is required to test whether the proportion of women who prefer small dogs for companionship…

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Confidence Intervals

When we calculate intervals in probability and statistics, it can be simply termed as finding out a confidence interval. The confidence interval is usually calculated from the data set which is observed. The value of the parameter that needs to be calculated is present here only.