Mathematics, 02.10.2020 23:01 AutumnJoy12
STATISTICS AND PROBABILITY
2 The table shows the distances walked (in kilometers) by members of a
walking group in one week
Cumulative frequency
Distance, d (k/m)
0<d<3
3<d<6
6<d< 9
9<d<12
12 <d<15
Frequency
4
14
6
8
4
Cumulative frequency
a Copy and complete the table
b Construct a cumulative frequency curve to represent this data
c Find estimates for the median and quartiles,
d Find estimates for the range and interquartile range
Answers: 2
Mathematics, 21.06.2019 21:50
Desmond wants to sell his car that he paid $8,000 for 2 years ago. the car depreciated, or decreased in value, at a constant rate each month over a 2-year period. if x represents the monthly depreciation amount, which expression shows how much desmond can sell his car for today? \ 8,000 + 24x 8,000 - 24x 8,000 + 2x 8,000 - 2x
Answers: 3
Mathematics, 21.06.2019 22:30
For the chance to be team captain, the numbers 1-30 are put in a hat and you get two chances to pick a number, without replacement. which formula correctly shows how to find the probability that you choose the number 1 and then 2?
Answers: 1
Mathematics, 22.06.2019 02:10
What is 4(x2 – 3x) + 12x2 + x simplified? f 4x2–3x h 16x2–11x g13x2–2x i16x2–12x
Answers: 1
STATISTICS AND PROBABILITY
2 The table shows the distances walked (in kilometers) by members of a
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