Mathematics

Explain the differences among the following sampling techniques: simple random sample, stratified sample, systematic sample, cluster sample, multistage sample, and convenience sample. Describe situations in which each type might be useful.

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Explain the differences among the following sampling techniques: 1) Simple random sample 2) Stratified sample 3) Systematic sample 4) Cluster sample 5) Multistage sample and 6) Convenience sample Describe situations in which each type might be useful.

Analyze the conclusions reached by the researchers in your final project article and compare them to the conclusions of the reference article for your selected study.

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  In this worksheet activity, you will need to analyze the conclusions reached by the researchers in your final project article and compare them to the conclusions of the reference article for your selected study. This reference article will be a similar study in some way to the one you chose for your Primary Article … Read more

Find moment generating function for the random variableY1(b) (2 points) Find the moment generating function for W=Y1+Y2+…+Yn(c) (3 points)T1= 1− ̄Yis an unbiased estimator of p? Find the MSE ofT1(d) (3 points) Construct an approximated two-sided (1−α) confidence interval for p.

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Midterm 1, STAT 3445 — Introduction to Mathematical Statistics II,Spring 2021The exam is designed to be finished in 3 hours. There are 50 points in total. The exam should be done individually and similar solutions will be penalized with a final grade of ”zero”. The problems are not necessarily in the order of difficulty level. … Read more

Determine your independent and dependent variables, their scales of measurement, and your null and research hypotheses.

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Concepts: Choosing the appropriate statistic, generating a research hypothesis, hypothesis testing, data analysis in SPSS, statistical significance, writing results Choose one of the data sets provided. See the description of each data set. Familiarize yourself with the data set. Determine your independent and dependent variables, their scales of measurement, and your null and research hypotheses. … Read more