The mass, correct to the nearest gram, of each of 20 potatoes is shown below. 85 97 125 100 90 102 116 89 96 104 89 107 106 93 84 118 120 98 112 109 (a) Complete the frequency table. You may use the tally column to help you. Mass (g) 80 to 89 90 to 99 100 to 109 110 to 119 120 to 129 (b) Write down the modal group. Tally Frequency
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- Violet takes a survey of the ages of people in the food court at the mall at 1 p.m. and at 6 p.m. on a Friday. Leaf (1 p.m.) Stem Leaf (6 p.m.) 112334 67789 D 1 34555666 24669 013577 2 03367 258 3 167 4 26889 5 256 038 6 1 13 7 7788 Violet wants to find the best time to try to sell vacation plans in a kiosk near the food court. Which statement best describes when Violet should try to sell these vacation plans, and why? At 1 p.m., because there are more people who have a job in the food court at this time At 6 p.m., because the average age of someone in the food court at that time is about 25 At 1 p.m., because the median age at that time is 41, while the median age of the people at 6 p.m. is 18 At 6 p.m., because the range of ages for this data set is less than the range of ages for the 1 p.m. data setThe table to the right shows the six tallest mountains in a country and their elevations. Use this table to find which mountain is the tallest in that country. The tallest mountain is Mt. D. Mt. E. Mt. B. Mt. C. Mt. A. Mt. F Mountain Mt. A Mt. B Mt C Mt. D Mt. E Mt. F Elevation (in feet) 4621 5401 5353 6555 4364 5071Find the 5 number summary for the data shown below. 60 16 76 45 6 34 79 64 22 69 5 number summary:_________, ________, ________, ________, __________.
- What is the frequency of the note seven half-steps below middle A (which has a frequency of 437 cps)? ten half-steps below middle A? The frequency seven half-steps below middle A is (Round to the nearest integer as needed.) cps.A professor records the following final grades in one course. Construct a frequency table for the grades. A A A B B B B B B со G C с C D D D F F A G B с Complete the table. (Type an integer or decimal rounded to the nearest tenth as needed.) Grade Frequency Relative frequency Cumulative frequency A %Pattern. 1/32,5/64,9/64,7/32,5/16,*
- LCM of the numbers belowA professor records the following final grades in one course. Construct a frequency table for the grades. B B B B C C D D F A A A A с с с с с D BD Complete the table. (Type an integer or decimal rounded to the nearest tenth as needed.) Grade Frequency Relative frequency Cumulative frequency rHow.many decimal place (s) is the product of 0.345 and 0.6
- p(1.28Peas in a Pod Biologists conducted experiments to determine whether a deficiency of carbon dioxide in the soil affects the phenotypes of peas. Listed below are the phenotype codes, where 1 = smooth-yellow, 2 = smooth-green, 3 = wrinkled yellow, and 4 = wrinkled-green. Can the measures of variation be obtained for these values? Do the results make sense?Researchers watched groups of dolphins off the coast of Ireland in 1998 to determine what activities the dolphins partake in at certain times of the day ("Activities of dolphin," 2013). The numbers in the table represent the number of groups of dolphins that were partaking in an activity at certain times of days. Enter answers as a fraction or a decimal rounded to four places. Period Activity Morning Noon Afternoon Traveling 6 6 Feeding 28 4 Socializing 38 5 Total 72 15 14 0 9 23 What is the probability that a dolphin group is partaking in socializing? P(socializing) 0.3280 Evening Total 13 39 56 88 10 62 79 189 What is the probability that a dolphin group is around in the evening? P(evening) = 0.4180 What is the probability that a dolphin group is partaking in socializing given that it is evening? P(socializing evening) 0.1266 = = What is the probability that a dolphin group is around in the evening given that it is partaking in feeding? 56 P(evening | feeding) 79 X What is the…SEE MORE QUESTIONS