5. Andrew recorded the number of inches of snow in his yard after each
of eight snowfalls last winter.
Snowfall
10 13 10 3 13 | 14 | 12 | 11
(inches)
Which measure would be most
useful for describing the typical
amount of snowfall in Andrew's yard
last winter?
A mean
C mode
B median
D range

Which of the binomials below is a factor of this trinominal? x^2-13+30

Which ordered pair is a solution of the equation? y + 5 = 2(2+1) choose 1 answer ® only (5,10 ® only (-1,-5) © both (5, 10) and (-1,-5) 0 neither

3.17 scores on stats final. below are final exam scores of 20 introductory statistics students. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 57, 66, 69, 71, 72, 73, 74, 77, 78, 78, 79, 79, 81, 81, 82, 83, 83, 88, 89, 94 (a) the mean score is 77.7 points. with a standard deviation of 8.44 points. use this information to determine if the scores approximately follow the 68-95-99.7% rule. (b) do these data appear to follow a normal distribution? explain your reasoning using the graphs provided below.