Directions: Determine the statistical test/s appropriate for the sample research. Make sure to explain your decision in two to three sentences. Appropriate Statistical Test Research Title Explanation 1. Relationship between Academic Stressors and Learning Preferences of Senior High School Students 2. Reading Electronic Learning Materials as a Support for Vocabulary of Grade 1 Pupils 3. Impact of the Implementation of COVID – 19 Health Protocols in Supermarkets on Consumer Behaviors 4. Effects of Morning Exercise on the Health Anxiety Level of Senior Citizens 5. Measuring the Gadgets Usage of Children at Home during Quarantine

Q: Explain the intuition for why smaller samples are more likely to have extreme averages

A: Average is given as = sum of observation/number of observation Where number of observation is n (…

Q: You want to determine if the graduation rate of different than the known national graduation rate.…

A: The researcher is interested to determine if the graduation rate of high-school students is…

Q: . the growth of plant/ amour . grade in each subject/ com ssessmentS - cure of one's sickness/the

A: Q

Q: Use the expression in the accompanying discussion of sample size to find the size of each sample if…

A: Given Assuming sample proportion, p^1=p^2=0.5 as there is no prior estimate. Margin of error, E=0.06…

Q: find the test value used to test the claim that the proportion of jellyfish stings at jones beach is…

A: Given, Sample size = 696 Sample proportion = 0.30   The null and alternative hypothesis is:

Q: A group of students who would like to study for a professional exam registered for a preparatory…

A: From the provided information, The total students are six. Sample size (n) = 6

Q: You sample 200 men, and 70% own cats.You sample 160 women, and 15% own cats.Find the test statistic,…

A: Obtain the value of the test statistic. The value of the test statistic is obtained below: From the…

Q: Calculate the z score for salary (in dollars per hour) x = 40 dollars. Use this sample data. 55,…

A: The data is given by,55, 78, 18, 27, 51, 51It is required to compute the z-score for x=40A z-score…

Q: 1. From the following data, 8, 7, 9, 6, 8, 10, 9, 9, 5, 7, 4, 11,2 a) Find the Median, Lower…

A: Given data in ascending order is shown below 2, 4, 5, 6, 7, 7, 8, 8, 9, 9, 9, 10, 11 n = 13

Q: Inferentiial Statistics deals with O Population Only Qualitative data O Only Quantitative data O…

A: The option one is correct i.e. Population.

Q: If instead of 25, 80 male runners are selected for the study, what is the sampling error at 95%…

A: Given that Sample size n = 80 Sample mean = 53 Population SD = 5.5 Margin of error E = 0.8 The…

Q: Describe the process you would use to estimate Propensity Scores

A:

Q: How to determine if a sample is small or large? In my homework, the sample size is 66. The answer in…

A: Note: Hey there! Thank you for posting the question! Sometimes a sample cannot be determined as a…

Q: how does the sample and population relate?

A: Sample and population both are different items, but both are related with each other. Population is…

Q: In this population data : (1, 2, 3, 4) what is the Standard Error when a sample size of 3 is drawn.…

A: The standard error (SE) of a statistic is approximately the standard deviation of a statistical…

Q: difference between a sample and a population

A: Population: Population is the entire group from which we draw the conclusion. Sample: Is the…

Q: help please answer in text form with proper workings and explanation for each and every part and…

A: Step 1: List the given values.We are given the following data set:…

Q: Researchers conducted a study to understand the effect of gender on statistics anxiety. They believe…

A: Given, we have two samples males and females.

Q: Determine whether the sample is biased or unbiased

A: Given a situation, we need to find whether it is biased or unbiased.

Q: Find the value of the test statistic. Find the p-value. (Round your ans

A: The null and alternative hypotheses are as follows; Ho : Church attendance is independent of age. Ha…

Q: why do we study or use 5 averages in statistics? Elaborate

A: The 5 types of averages we use in statistics are: 1- Arithmetic mean 2-Mode 3- Median 4-Root mean…

Q: 13c. Assume that you apply a systematic sample with k = 3. Use the data below and sample 4 values…

A: 13c. Given: k=3 n=4 In systematic sampling the first sample is selected randomly and the remaining…

Q: Describe how the distribution of sample means changes as sample size increases. What is the…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Explain the sample mean of the difference scores varies.

A:

Q: According the April 12, 2017 Pew Research survey, 58% of Americans approve of U.S. missile strikes…

A: (3) Determine whether the normal approximation can be used with the given distribution or not?…

Q: Explain why the sampling distribution of the sample proportion is assumed to be Normal. Show your…

A:

Q: A research institute poll asked respondents if they felt vulnerable to identity theft. In the poll,…

A: It is given that x = 556n = 914Confidence level = 95%

Q: The boxplot below shows salaries for CPAS and Actuaries in a town. СРА Actuary 20 30 40 50 60 70 80…

A:

Q: The mean of the sample means is equal to the population mean.

A: Suppose X has mean µ.

Q: you want to know how how arizonia workers age 16 or older travel to work. To estimate the percentage…

A: Individual:Collected data which can be associated with a single element in a sample is called…

Q: tephanie is trying to figure out the sample size of an experiment. She knows the population SD is…

A: Solution: Given information: σ= 41.5    Population standard deviation σx= 2.7   Standard deviation…

Q: In 2015, Addison Group and Kelton surveyed the work preferences and attitudes of 948 working adults…

A: Given the observed data                                                      GenerationLeave Job for…

Q: The seniors in my math classes were asked about whether they would pay for either a senior trip or a…

A: The question is about categorical data analysis Given :   To test : A senior trip is more popular…

Q: You want to estimate the percentage of statistics students who get grades of C or better. How many…

A: Obtain the sample size. The formula of sample size is, Obtain the area of probability in the right…

Q: What do you think is the best number of respondents when conducting a research? Explain your answer.

A: The best number of respondents when conducting research: The number of respondents we need depends…

Q: Determine whether each sample is a random sample or a biased sample. Explain. 1. Carlos chooses 50…

A: Given that Carlos chooses 50 movies at random from a list of all his movies.  Since he picked them…

Q: To determine who will win the next presidential election, we survey members of the local Republican…

A: Here we have to determine who will win the next presidential election and we are surveying the local…

Q: I have answered this sample sheet but I just want to make sure my answers are right. Can you show me…

A: Hi! Thank you for the question As per the honor code, We’ll answer the first question since the…

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.