b. For the hypothetical salaries in the following dataset, what is the average salary per year? Dataset of hypothetical salaries: $45,000 per year, $20,000 per year, $33,000 per year, $27,000 per year, $91,000 per year. From question 9b, which salary is the outlier? What is the new average if you delete the outlier from your calculations?

Are cigarettes bad for people? Cigarette smoking involves tar, carbon monoxide, and nicotine (measured in milligrams). The first two are definitely not good for a person's health, and the last ingredient can cause addiction. Use the data in the table above to make a stem-and-leaf display for milligrams of tar per cigarette smoked. (Enter NONE in any unused answer blanks.) Are there any outliers? A. Yes, 1.0 may be an outlier. B. No, there are no outliers.     C. Yes, 29.8 may be an outlier.

The Big Mac index is a way of measuring Purchasing Power Parity (PPP) between different countries. By diverting the average national Big Mac prices to U.S. dollars, the same goods can be informally compared. The Big Mac can also be a good indicator for the individual purchasing power of an economy since he exists worldwide in standard size, composition and quality. Price # of Countries Rel. f. Cum. f 1.50-1.99 2 2.00-2.49 4 2.50-2.99 7 3.00-3.49 9 3.50-3.99 7 4.00-4.49 8 4.50-4.99 9 5.00-5.49 7 5.50-5.99 1 6.00-6.49 2 6.50-6.99 1

A shopper at a local supermarket has spent these amounts in his last eight trips to the store: $32.92, 14.14, 30.80, 28.34, 75.58, 36.33, 33.51, and 22.94. Which statement about deleting the amount spent of $75.58 is false? a. The median of this data set may be more representative of the mean. b. The value of the mean would be reduced by $5.89. c. The value of the mean would not change. d. The value of the mean would be greatly reduced.

The difference between the sample value expected and the estimates value of the parameter is called as? Select one: a. differenceb. bias c. contradictiond. error

Find the (a) mean, (b) median, (c) mode, and (d) midrange for the data and then (e) answer the given question. Listed below are the amounts (dollars) it costs for marriage proposal packages at different sports venues. Are there any outliers? 49 50 50 50 55 55 75 85 90 115 150 150 225 234 275 275 300 325 400 475 475 475 475 1500 2500 a. Find the mean. The mean is $ (Type an integer or a decimal rounded to two decimal places as needed.) b. Find the median. The median is $. (Type an integer or a decimal rounded to two decimal places as needed.) c. Find the mode. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. The mode(s) is(are) $ (Type an integer or a decimal. Do not round. Use a comma to separate answers as needed.) OB. There is no mode.

The five number summary of a dataset was found to be: 0, 2, 12, 15, 20 An observation is considered an outlier if it is below: An observation is considered an outlier if it is above:

The five number summary of a dataset was found to be: 1, 6, 11, 13, 20 An observation is considered an outlier if it is below:   An observation is considered an outlier if it is above:

Consider the GPA of students in class: 1.6,1.7,1.8,1.9,2.4,2.6,2.7,2.8,2.9,3.2,3.3,3.3,3.4,4.0,4.0,4.0,4.0 Construct a stem-and-leaf plot. The leaves corresponding to stem 4 are? What is the rough shape of this data? Please answer both questions