Part A: For this one, you have to find the median. So first you would put them in order from least to greatest. After you do that you should get,
TEAM L: 4, 4.8, 9, 9.4, 9.75, 13, 17 TEAM M: 3.2, 6, 6.25, 8, 9.5, 9.7, 14 TEAM N: 1, 4.75, 5.6, 13, 14.5, 19, 20 next go from side to side crossing them out evenly till you get to the number in the center. TEAM L: 9.4 TEAM M: 8 TEAM N: 13 the question asks which team scores more consistently so that would be the team with the highest marking which is team n
so your answer for part A is TEAM N would be awarded the team with the most consistent scoring
part B: you find the average by finding the mean. To find the mean you must add all the numbers up and then divide by how many numbers there are. First we are going to add them up,
TEAM L: 4+17+13+9.4+9+9.7+4.8 = 66.95 TEAM M: 6+14+8+9.7+9.5+6.25+3.2 = 56.65 TEAM N: 1+20+19+13+14.5+4.75+5.6 = 77.85
lastly since all of them consist of 7 numbers, you will divide all the solutions by 7 giving you,
TEAM L: 9.56 (rounded) TEAM M: 8.09 (rounded) TEAM N: 11.12 (rounded)
the question asks which team has the higher average score, therefore TEAM N would be the answer since it consist of the highest number.
so your answer for part B is TEAM N would be awarded the team with the highest average score.
ANSWERS....................
PART A: TEAM N would be awarded the team with the most consistent scoring.
PART B: TEAM N would be awarded the team with the highest average score.
Yes, after 10 key presses, both will arrive at the number 30.
Step-by-step explanation:
The difference between the numbers on the calculators is reduced by 10 with each key press. After 10 key presses, the initial difference of 100 will be zero. After 10 key presses of (-7), the calculator starting at 100 will be ...
100 +10(-7) = 30
After 10 key presses of (+3), the calculator starting at 0 will be ...
0 +10(+3) = 30
Both calculators will show 30 after 10 key presses.
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