0 Question 2 v Calculate the standard deviation and variance of the sample quantitative data shown, to two decimal using the following stern a leaf plot, mm or: live number summary at the data. places. I l3 7 ll! 4 5 x 3H 4 4 l 2 6 s 9 19 6 5H 6 3 9 7-' 6H 4 5 v 5.3 10.9 Mlnlmum = 23.6 13 Q' ' 19.4 Median = Maximum 1 7 Standard deviation: Variance: 0 Question 4 v 0 Question 5 v ( > Approximate the mean for following GFDT. The following reier to the following data set: Data Frequency. 36.6 55.3 12.7 24.4 46.9 10- 74 I . 55.3 32 27.1 39.6 55.3 75 ~ 79 4 80 - . . . . M 6 What Is the arithmetic mean of this data set? 85 - B9 11 90. 94 24 mean = 95 - 99 11 100 - 104 B . What is the median of this data set! 105 - 109 6 110-114 1 median = What is the mode of this data set? mean - mode = Report answer accurate to one decrmal place. 0 uestion 7 v ' . Next Question 0 stratified sampling 0 Question 10 v Next Question The probability is : 0 Question 9 v Next