In each study, the data collected is what level of measureme…

In each study, the data collected is what level of measurement? Letter grade in a course (A,B,C,D,F): [a] Temperature of sick patients in a doctor’s office: [b] Number of riders on the Metro each day last month: [c] Rating on a Strongly Disagree / Disagree / Neither Disagree nor Agree / Agree / Strongly Agree survey: [d] Marital Status: [e] 2. Are the following variables discrete or continuous? a person’s age as listed on a driver’s license: [f] the number of cars served at a fast food drive-thru between noon and 2 pm: [g] the weights of elephants in captivity: [h]

Lacy draws a diamond from a standard deck of 52 cards. Witho…

Lacy draws a diamond from a standard deck of 52 cards. Without replacing the first card, she then proceeds to draw a second card and gets a heart. Are these events independent? Type Yes or No: [a] Determine the probability of drawing a diamond and then a heart without replacement. Write your answer in decimal form, rounded to four decimal places as needed.  Answer= [b] Linda draws a diamond from a standard deck of 52 cards. She returns the diamond to the deck, then draws a second card. Her second card is a heart. Are these events independent? Type Yes or No: [c] Determine the probability of drawing a diamond and then a heart with replacement. Write your answer in decimal form, rounded to four decimal places as needed.  Answer= [d]

Fayech University claims that the mean GPA of night students…

Fayech University claims that the mean GPA of night students is approximately normally distributed with mean 3.3 with a population standard deviation of 0.04. We wish to test the claim that the mean GPA of night students is significantly different than 3.3 at the 0.05 significance level.  Based on a sample of 55 people, we find the sample mean GPA was 3.33. The null and alternative hypothesis would be: [a] Type the letter of the correct option in the box above. A B C D E F The test is: [b] Type the letter of the correct option in the box above. A B C two-tailed left-tailed right-tailed The test statistic is [d] (to 2 decimals) The critical value is:  [e] (to 2 decimals) Draw a picture of this graph on your scratch paper.  I will grade the graph after you upload your work. [c] Based on this we [f] A B Fail to reject the null hypothesis Reject the null hypothesis  

According to Bloomberg News, in 2011 the average annual sala…

According to Bloomberg News, in 2011 the average annual salary for a player in the National Hockey League (NHL) were $780,000 and $1,800,000, although not necessarily in that order.  Which of these numbers, $780,000 and $1,800,000, is the mean and which is the median? Give a reason for your answer.