Mary took 4 courses last semester: Biology, Spanish, History, and Calculus. The means and standard deviations for the final exams, and Mary's scores are given in the table below. Convert Mary's score into z scores. Subject Mean Stand. dev. Mary's score Mary's z score Biology 77 10 72 Spanish 44 12 47 History 53 16 37 Calculus 70 12 82

Give a 5-Number Summary for the data below. Also, find the IQR. 8 15 32 36 45 47 58 61 63 75 77 78 79 91 92 98

Find the mean for the following group of data items. 74, 71, 73, 66, 71, 77 The mean is 72. (Type an integer or a decimal.)

Each of the 5 cats in a pet store was weighed. Here are their weights (in pounds). 13, 12, 5, 12, 9 Find the median and mean weights of these cats. If necessary, round your answers to the nearest tenth. (a) Median: pounds X Ś ? (b) Mean: pounds

The weight of football players is normally distributed with a mean of 200 pounds and a standard deviation of 25 pounds.  What is the minimum weight of the top 2% of players? Do Not Use Excel. Show the formula used and show your work.  Use Z table if neccessary.  Group of answer choices 151.75 pounds 251.25 pounds 148.75 pounds 158.25 pounds

Determine whether the statement is true or false. If it is false, rewrite it as a true statement. Some quantitative data sets do not have medians. Choose the correct answer below. O A. The statement is true. O B. The statement is false. Some quantitative data sets do not have means. O C. The statement is false. All quantitative data set have medians. O D. The statement is false. Some quantitative data sets have more than one median.

The scores and the percents of the final grade for a student in a stats class are given. What is the student's mean score? Complete the thirds column

The median for the set of sample measurement { -10,-8,-4,-2,0,6,11} a. -2 b. -1 c. 0 d. 6

In Statsville there’s a city-wide speed limit of 30 mph.If you are caught speeding the fine is $100 plus $10 forevery mile per hour you were over the speed limit. Forexample, if you’re ticketed for going 45 mph, your fine is100 + 10145 - 302 = +250. Last month all the driverswho were fined for speeding averaged 42 mph with astandard deviation of 7 mph. What were the mean andstandard deviation of the fines?A) $120 and $70 B) $220 and $7C) $220 and $70 D) $220 and $170E) $420 and $70

Determine whether the data is from a primary or secondary source. Primary       Secondary