A researcher is interested in the heights of all students at…

A researcher is interested in the heights of all students at a local college. The researcher randomly selects 45 students and finds a mean height of 68.5 inches with a standard deviation of 2.74 inches. (Round to 3 decimal places as needed)   a. Construct a 95% confidence interval for the mean heights of all students at this college: Set up the confidence interval with the appropriate values: (Point estimate) 

Oliver is picking what sport he wants to play this school ye…

Oliver is picking what sport he wants to play this school year. The probability that he plays soccer is [a], the probability that he plays baseball is [b], and the probability that he plays both soccer and baseball is [c].   If we know that Oliver plays baseball, what is the probability that Oliver also plays soccer? (Round to 3 decimal places as needed)

The following data represents the IQ scores of 11 randomly s…

The following data represents the IQ scores of 11 randomly selected Americans. 85   86   92   98   101   101   103   106   107   132   139 (Round to 3 decimal places as needed)   a. Calculate the mean [a] b. Calculate the median [b] c. Calculate Q1 [c] d. Calculate Q3 [d] e. Calculate the IQR [e] f. Calculate the lower fence [f] g. Calculate the upper fence [g] h. List any outliers (leave blank if no outliers; if there are multiple, separate them with commas) [h]

There are 600 employees at Company A. Based on the above gra…

There are 600 employees at Company A. Based on the above graph, answer the following questions. a. How many employees have a salary between $75,000 and $125,000? [a] b. Give the name of the shape that best describes the shape of the distribution. [b] c. Based on the shape, what is the best measure of central location? [c]