Data was collected for 279 randomly selected 10 minute intervals. For each ten-minute interval, the number of people entering the atrium of a large mall were recorded. The data is summarized in the histogram below. Frequency Jim 179.5 189.5 1995209521952295 Number of People in 10 min Q What is the class width for this histogram? What is the midpoint of the first class? Data was collected for a sample of organic snacks. The amount of sugar (in mg) in a serving size of each snack is summarized in the histogram below. 4'61 Frequency 345 54.5 74.5 94511458451545 amount of sugar (mg) Q What is the sample size for this data set? What is the lower class limit of the first class? The lowest class limit = :] Data was collected for 40 randomly selected trees growing in the median strip of a busy freeway. The height of each tree (in inches) was recorded. Data was recorded to the nearest whole inch. The data is summarized in the histogram below. 3M Frequency 8 6 4 2 39.544.549.554 559.564 569574 .5795 height (in) Q What is the maximum possible tree height for the data recorded for this histogram? Note: Use the Magnifying glass to enlarge the graph if the axis labels overlap. 10 Frequency 2 AM 05 35 6.5 95 125155185 data q Based on the histogram above, what is U18 class width? What is the sample size? The scores of 50 students are given below. 94 104 87 97 101 98 101 85 79 95 88 78 73 76 74 77 74 86 94 87 \"Emu-WI minimum-mm mmmmmmm (a) Construct a frequency distribution for the data. Use 70-74 for the first class and use 5 for the class width for each subsequent class. (b) Which of the following is the correct histogram for this data? 1-9 0 s: 69.5 74.5 79.5 845 895 945 9951045 IQ Score Q s i? Q: 0 sir If... 69.5 74.5 79.5 845 895 94.5 9951045 1Q Score Q E O E 69.5 74.5 79.5 84.5 89.5 94.5 99.5 104.5 IQ Score Q The following data represents the age of 30 lottery winners. Given the frequency distribution for the data, mm Relative Fr e u e n Cumulative Relative Fre uen Which graph shows the cumulative relative frequency? owmwwmwmwm Age Q What is the frequency of lottery winners of age between 19 and 40? What percentage of lottery winners are 70 years or older? U 96 What is the relative frequency of ages under 40? 4%: 7 "\\ D 0102030405060708090 @e Q $6?) What is the cumulative relative frequency of lottery winners younger than 50? D