### Estimates and sample sizes

If she obtains **a** random sample of **a** 100 engineering students from **the** day campus of which 30 students are **female** what would her confidence interval be if she needs **a** confidence level of 95%?
**a**.

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If she obtains **a** random sample of **a** 100 engineering students from **the** day campus of which 30 students are **female** what would her confidence interval be if she needs **a** confidence level of 95%?
**a**.

Statistics / Hypothesis Testing / Frequentist Inference / Confidence Interval » 528867

You find **the** following:
Democrat Republican Independent
Male 52 65 20
**Female** 88 52 35
Are sex and party affiliation related?
Report **the** appropriate null and research hypotheses and **the** critical value
(**alpha** = 0.05).

Statistics / Hypothesis Testing » 447923

**The** Capital Bank Marketing Department has recently conducted **a** study of **a** sample of **the** bank's customers. At issue is whether there is **a** difference between **the** mean credit card balance between **female** and male customers.

Statistics / Hypothesis Testing » 19610

Use **alpha** = 0.05. #1 in **a** salary equity study of faculty at **a** certain university, **the** salaries of 50 male assistant professors showed **a** sample mean of $36,400 with **a** sample standard deviation of 360, whereas **the** salaries of 50 **female** assistant professors

Statistics / Hypothesis Testing » 246803

Get at least 3 from each sex (i.e. male/**female**). Conduct **a** hypothesis test analysis to determine if there is **a** statistical difference between **the** ages of **the** sexes in **the** group. Explain your results. Use **alpha** = .05.

Statistics / Hypothesis Testing » 344560

Konica Minolta has also introduced **a** training program, known as **Leadership** Training, to raise **the** involvement of **female** employees at **the** managerial level.

Business / Business Management / Leadership Skills » 553623

**A** Complete, Neat and Step-by-step Solution is provided in **the** attached Excel file.

Statistics / Hypothesis Testing » 263141

Develop **a** research question, testable hypothesis, confidence level (i.e. set your **alpha** level), and degrees of freedom. Draw **the** appropriate conclusions with respect to **female** and male human resource manager salary levels.

Statistics / Hypothesis Testing / Parametric Tests / Student's t-Test » 406087

In this case, **the** relevant information can be captured by **defining** **a** binary variable (also known as **a** zero-one variable).

Statistics / Correlation and Regression Analysis / Regression Analysis » 188504

For example, you must begin by **defining** your research problem, follow by data collection, organization, visualization, and then **the** analysis of **the** data.
1. Construct **a** frequency distribution or histogram for each of your variable
2.

Statistics / Descriptive Statistics » 571451