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

Q: Would an experiment design that would be analyzed with a repeated measures ANOVA be superior or…

A: It is good to use a repeated measures ANOVA when the measures are from the same persons at different…

Q: Using the correct statistical method, decide which Group has the highest MEAN ? Does it significant…

A: Procedure to perform ANOVA using Excel: Enter the data in an excel sheet. Go to Data > Data…

Q: A researcher decided to gather data from all 150 employees in a certain office instead of just…

A: A certain office has 150 employees. All of them are selected by a researcher to gather data from.

Q: what is atypical sample

A: Atypical sample means something Unusual

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

A: Given,

Q: What is the difference between independent samples and dependent samples?

A: Dependent samples: The two samples are said to be dependent if there exist an effect of one on…

Q: the

A: Effect size is defined as the way of quantifying the difference between the two groups.

Q: How is a sample related to a​ population?

A: Population is set of all elements about which we want to know. While the sample is a part of such…

Q: What is the difference between a fixed effect factor and a random effect factor?

A: The fixed effect factor is defined as when data has been gathered from all the levels of the factor…

Q: What are the conclusions of the study?

A: Parametric test is used to determine the mean significance between the sample and population when…

Q: what is a composite outcome rate in statistics?

A: Solution Composite outcomes, in which multiple end points are combined, are frequently used as…

Q: What information do you need to decide on a sample size that will provide adequate statistical…

A: Adequate statistical power is the power of probability with the rejected null hypothesis. Generally,…

Q: What are two differences between cluster sample and stratified sampling

A: Stratified sampling:   When the units in the population are divided into subgroups and then the…

Q: What is sample selection bias? Suppose you read a study using data on college graduates of the…

A: Sample selection bias: It occurs when the researcher fails to ensure the randomization in the…

Q: What is the name of this type of sample?

A: In the method of convenience sampling, the individual samples are easily determined and do not…

Q: What do you think would be the greatest description of a best sample? Why? (Related to random…

A: Random Sampling: In this type of sampling, every unit has an equal probability of getting selected…

Q: What is the observed significance level for this test?

A: here given , n= 50  sample mean  =  19.4  sample standard deviation  =  3.1

Q: You are a candidate for your state legislature, and you want to survey voter attitudes regarding…

A: Since we want to study voters’ attitude. The population must be the “state’s individual voters’…

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 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: Which statistical test should she conduct?

A: We need to identify suitable statistical test for given situation

Q: What is a pooled sample test?

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

Q: What is the most important consideration when designing a study on human subjects?

A: Human trials.

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: What is the sample space for an experiment?

A: An experiment is an activity which has observable values. The results obtained from the experiment…

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: what sample size should be used?

A: Given :  Margin of error=E=3%=0.03 Significance level=α=0.05 Since , the estimate of the population…

Q: What is the difference between a sample and a census? Why can it be advantageous to select a sample…

A: A census is a study of every unit, everyone or everything, in a population. It is known as a…

Q: explain why two parameters are used in a two sample test

A: Here in the two parameters we take in two sample t-test because, we take samples from two…

Q: Describe the definition of random sample

A: The random samples can be defined as the samples which are randomly selected from the population and…

Q: What type of sampling is used?

A:

Q: Based upon the output provided, what is sample size?

A: Given information : Correlation Matrix for the variables Travel and Satisfaction is given.

Q: Describe the EFFECT OF SAMPLE SIZE.

A: In general, large sample size is required to get more precision of data. Sample size plays important…

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: When is it appropriate to use a pooled sample test?

A: It is to determine when there is to use pooled sample test. There are some situation in testing we…

Q: Assuming a sample size of 76, what is the 90th percentile for the AVERAGE teacher’s salary?

A: From the above question The given values are  n = 76 The calculate 90 th  percentile So the formula…

Q: What is Sample Mean?

A: A statistical population is a set of entities from which statistical inferences are to be drawn,…

Q: What is the sample and corresponding population in this study ?

A: Introduction: The study assigns ratings to the different social media platforms, depending upon…

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: What is Effect of Sample Size on standard error?

A: The standard error is also inversely proportional to the sample size; the larger the sample size,…

Q: What are the findings of the study?

A:

Q: What is the sample for the study

A: The sample is the subset of the population.

Q: Suppose in a two-way ANOVA table,the total sample size N is 30, factor Ahas 3 levels, and the…

A: From the provided information, Total sample size (N) = 30 Levels of Factor A (r) = 3 The degree of…

Q: What is the mean difference between the samples?

A: Test is that whether the mean number of mass transit trips is equal for both neighborhoods. Note :…