Scenario:  An early childhood education student is undertaking an observational study of literacy development among kindergardeners in Rancho Cordova. The school she is placed at has 230 students in 12 classrooms Short Answer A. Describe a way she can take a stratified sample. B. Describe what the explanatory and response variables may be. C.A convenience sample is taken and introduces nonrandom sampling error. What is one way this can happen?

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Q: When sample size increases the cost of survey increases Select one: O True O False ouS ACTIVITY

A: Correct Answer True

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Q: The Tennessean, an online newspaper located in Nashville, Tennessee, conducts a daily poll to obtain…

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Q: obtain a sample of individuals who have stage 1 breast cancer and are in the age group of 40-65…

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Q: What does the true sampling distribution serves?

A:

Q: lie about the answers to SUlle quStIU B. Individuals C. The sampling frame does not include some…

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A: The provided values are:

Q: What does the hypothesized sampling distribution serves?

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Q: 1. State the reasons why sampling is used in the context of research studies. (1 page answer)

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Q: What is the population of interest? What is the sample?

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Types of Bias

Statistics is the study of data collection, organization, analysis, interpretation, and presentation. Statistical bias is a characteristic of a statistical technique or its findings in which the expected value deviates from the actual root quantitative parameter being estimated. According to the actual definition of bias, it refers to the tendency of a statistic to overestimate or underestimate a parameter.