Lara is calculating the standard deviation of a data set that has 8 values. she determines that the sum of the squared deviations is 184.

what is the standard deviation of the data set?

round the answer to the nearest tenth.

Which value is not a solution of 8x^3 – 1 = 0

The graph below represents the number of dolphins in a dolphin sanctuary. select all the key features of this function.

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.