The weights of a newborn babies is normally distributed with a mean of 7.5 lbs and a standard deviation of 1.5 lbs.  What is the weight that 97.5% of all babies weigh more than?

The following boxplot, histogram and summary statistics were found using Statcrunch. The data set gives length in inches of men’s legs. Use the graph and statistics to analyze the data set and answer the following questions. a) How many men were surveyed?

You wish to know which social media platform is most used among the COC students. You cannot ask every student so you decide to take a sample. Explain how you would get your sample using each of the following sampling methods. Also indicate if your method would represent the population and clearly explain why or why not. a) Cluster Sample

The following boxplot, histogram and summary statistics were found using Statcrunch. The data set gives length in inches of men’s legs. Use the graph and statistics to analyze the data set and answer the following questions. d) What is the Numerical Value of the Best measure of Center?  (do not round)

Do women who drink alcohol during their pregnancy have a higher than normal chance of delivering an unhealthy baby?  To attempt to answer this question would you conduct an experiment or do an observational study? Clearly explain your answer.

You wish to know which social media platform is most used among the COC students. You cannot ask every student so you decide to take a sample. Explain how you would get your sample using each of the following sampling methods. Also indicate if your method would represent the population and clearly explain why or why not. b) Voluntary Response Sample

Identify the type of bias in the following questions/situations and clearly explain your reasoning. B) Survey Question: “My sister is married to a woman. What are your beliefs on gay marriage?”

Open the data called “Attendance Vs. Grade” in StatCrunch.  We want to test to see if the Percent of days Attended is positively correlated with the final grade in the class. Link a. Identify and Interpret the Slope in your linear equation. b. What is the r-value for this data? What does that tell you about the relationship between %Attendance and Total Grade? c. What is the estimate of standard error? Interpret it in a sentence. d. Use the equation of the regression line to make a prediction for the Grade for a student who’s %Attendance is 70.  (The numbers are already in percent…do not convert to .70) e. Regardless if the data passed all the assumptions test the claim that Grade and %Attendance are positively correlated. State the null and alternative hypothesis. f. What is the Value of the test statistic and the p-value? Make a decision regarding the Null hypothesis using a 5% significance level. g. Write a conclusion addressing the claim.  

According to the situational approach, what two employee factors should a supervisor consider when choosing appropriate leader behaviors? Explain these factors and how they shape followers’ developmental levels.

According to Blake and Mouton’s Leadership Grid, which two factors explain leaders’ behaviors? Explain these two factors and how they operate on two intersecting axes