Source df SS MS = SS/df F-statistic Factor A 7.174 3.587 Factor B 1510.517 154.02 Interaction 50.070 Error 27 Total 3343.066

Q: Describe the difference between a one-way ANOVA and a factorial ANOVA?

A: One-factor ANOVA model: In one factor ANOVA model only one factor is studied, that is only the…

Q: Discuss the random sampling and the sampling distribution of the sample average?

A: Simple random sampling: A simple random sample of size n is collected from a large population where…

Q: With good sampling practices, what percentage of possible values for the sample mean will lead to a…

A: Solution: Type I error: Reject the null hypothesis even though it is true.

Q: Based on the histogram above, what is the class width? Class width = %3D What is the sample size?

A: Given,

Q: Explain the meaning of the specified term Sample distribution

A: The distribution which is used to describe the sample data is called the sample distribution. In…

Q: describe the sampling distribution of the sample means in the histogram

A: A histogram of sample mean is given.

Q: Explain the basic idea for performing a hypothesis test, based on independent samples, to compare…

A:

Q: Briefly explain when a one-way ANOVA procedure is used to make a test of hypothesis?

A: One-Way ANOVA is used to compares the means of two or more independent groups in order to determine…

Q: Compare the examination of the Normal Distribution curve and of the Sampling Distribution Curve.

A: In probability theory and statistics, a probability distribution is the mathematical function that…

Q: Discuss the characteristics of the basic descriptive statistics: sample size, mean, and standard…

A: Characteristics of mean: Mean represents all the values of the data. Outliers of the data affects…

Q: 1. 250 Academic Strand Students 2. 418 Grade 11 Students 3. 686 Grade 12 Students

A: Since you posted a question with multiple subparts, we will solve first three subparts for you. To…

Q: If you want to reduce the amount of variance present in an independent-measures (one-way) ANOVA, you…

A: ANOVA is a parametric inferential procedure.

Q: n an ANOVA source table – what do the terms “between groups” and “within  groups” refer?

A: G1 G2 G3 1 1 1 2 2 2 3 3 3 4 4 4

Q: What is Two Related Samples?

A:

Q: What type of sample do we usually prefer?

A: We have given that  What type of sample do we usually prefer

Q: Discuss what is the relationship between sample size and sampling error?

A:

Q: what is the sampling technique for secondary survey data

A: Sampling helps a lot in research. It is one among the foremost important factors which…

Q: Explain in your own words: What is sampling error? What is a representative random sample?

A: we explain in the following.

Q: Explain one possible advantage of using a paired sample instead of independent samples.

A: Paired samples, are also known as dependent samples, can be defined as the samples in which natural…

Q: List the sample points for this experiment.

A: The total number of marbles in a box is N=6 Number of selected marbles n= 2 Then total number of…

Q: What test can we use to determine the sample size needed?

A: Confidence intervals for a parameter take the following general form: Point Estimate ± Margin of…

Q: Distinguish between a distribution of sample means and a distribution of sample proportions.

A: Distribution of sample means and sample proportions are obtained.

Q: What is a pooled sample test?

A: The two populations’ variables are normally distributed and the population standard deviation are…

Q: Why would a researcher choose to conduct an One-Way ANOVA rather than multiple independent samples…

A: Solution-: Why would a researcher choose to conduct an One-Way ANOVA rather than multiple…

Q: State two differences between a cluster sample and a stratified random sample

A: Stratified Sampling: Stratified sampling is a sampling method, in which the population is divided…

Q: What is the sample size of adults participated in this study?

A: We have to find the sample size for the given situation.

Q: What is the difference between a cluster sample and a stratified sampling

A: There are broadly two types of sampling procedures or methods: one is probability and the other is…

Q: Explain the concept of Missing Data and Sample Selection?

A:

Q: Which statistical method would be most effective to determine if the average size of dogs in Europe…

A: Find statistical method would be most effective to determine if the average size of dogs in Europe…

Q: Explain the EFFECT OF SAMPLE SIZE.

A: The size of our sample defines how much information we have and thus, in part, decides our precision…

Q: For a two-way ANOVA, define the following concepts: a. levels of Factor B b. no interaction c. a…

A:

Q: How to decide one or Two Samples?

A: t-test:  (i) In the t-test, the sample size of 30 is large enough (n < 30) (ii) Samples are taken…

Q: What does it mean when sample results are not statistically significant?

A: statistically significant: In principle, a statistically significant result (usually a difference)…

Q: What is sample size?

A: In this case, we need to define the sample size.

Q: In one-way ANOVA, the total variation in scores can be divided into two sources ___

A: In general, the total variation in scores can be divided into two sources. They are shown below:

Q: Explain how to perform a two-sample z-test for the difference between two population proportions.

A:

Q: State the one-way ANOVA identity, and interpret its meaning with regard to partitioning the total…

A: One-way ANOVA identity is given below: SST=SSTR+SSE

Q: What is the Importance of Equal Sample Sizes?

A: The t-test and ANOVA assume that the sample sizes are equal. There is an importance that the two…

Q: Measures of central tendency alone are insufficient to completely describe a sample because:

A: Hint: Central value for two samples can be same.

Q: Compare the three samples - monodisperse or disperse? Bimodal or multimodal?

A: Given information: Sample size distribution for Sample 1, sample 2 and Lab synthesised sample is…

Q: Is it really important to have a very large number of observations for work sampling? Why?

A: It is necessary to have a very large number of observations for work sampling because it is a…

Q: Conduct the appropriate one-way ANOVA to examine whether there was a significant difference among…

A: The null and the alternative hypotheses are, Test statistic: R-Code:

Q: The within subjects ANOVA may be used with

A: A one-way repeated measures ANOVA is used to determine whether three or more group means are…

Q: Describe how you will be able to compute for observed significance level or p-value of a given data…

A: Please find the explanation below. Thank you

Q: A study is to perform a one-way ANOVA where the researcher considered a single independent variable…

A: a. In this case, there is a single independent variable with 5 categories.

Q: ABC manufacturing company producing 6000 steel cylinders operators. The Quality Control department…

A: Sampling Methods for conducting the survey Data are the basic material needed for effective…