A 4-column table with 4 rows titled Hours Spent Studying. Column 1 has entries 11, 6, 14, 5. Column 2 has entries 8, 6, 0, 4. Column 3 has entries 9, 2, 3, 5. Column 3 has entries 4, 6, 7, 2. Students were asked how many hours during the weekend they studied for a Monday exam. Each row of the table represents one sample from the class. Find the mean of each sample. Mean of samples in row 1: Mean of samples in row 2: Mean of samples in row 3: Mean of samples in row 4:

Which equation represents the function on the graph?

Martha has a deck of cards. she has lost some of the cards, and now the deck only contains nine spades, eleven diamonds, eight clubs, and twelve hearts. martha predicts that whenever she draws a card from the deck without looking, she will draw a club one-fifth of the time. which activity would best allow martha to test her prediction? a. randomly draw a card from the box and see if it is a club. b. randomly draw a card. then, continue to draw another card until all eight clubs are drawn. c. randomly draw and replace a card 120 times. then, observe how close to 30 times a club is drawn. d. randomly draw and replace a card 100 times. then, observe how close to 20 times a club is drawn.

What is the interquartile range (iqr) of the data set represented by this box plot?