Match the values associated with this data set to their correct descriptions
2 answers:
Answer:
Step-by-step explanation:
- Put numbers in increasing order: 6,7,15,36,41,43,47,49
- The median is 38.5 (it is the mean of 36 and 41 - the pair of middle entries).
- The lover half of the data is 6,7,15,36 that are to the left of the median
- The first quartile, the median of the lower half, is 11 (it is the mean of 7 and 15 - the pair of middle entries).
- The upper half of the data is 41,43,47,49 that are to the right of the median
- The third quartile, the median of the upper half, is 45 (it is the mean of 43 and 47 - the pair of middle entries).
- The difference of the largest value and the median is 10.5 (49-38.5)
Put the numbers in order
6,7,15,36,41,43,47,49
Q1 = (7 + 15) / 2 = 22/2 = 11 <== first quartile
Q2 = (36 + 41) / 2 = 77/2 = 38.5 <== median
Q3 = (43 + 47) / 2 = 90/2 = 45 <== third quartile
difference of largest value and median.....(49 - 38.5) = 10.5
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Answer:
x=5
Step-by-step explanation:
10 +3x = 5x
Subtract 3x from each side
10+3x-3x= 5x-3x
10 =2x
Divide each side by 2
10/2 = 2x/2
5 =x
The answer is 68%
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Step-by-step explanation:
4x+5y=4 (equation 1)
2x-y=9 (equation2)
solving equation 1 and 2 and multiplying equation 2 by 2
4x+5y=4
4x-2y=18
- + -
________
7y= -14
y= -2
putting the value of y in equation 2
2x-y=9
2x+2=9
2x=7
x=3.5
Answer:
D
Step-by-step explanation:
Factors B, C and E are totally irrelevant.
V = 1/3 l h w
V = 1/3 (12)(15)(9)
V= = 540
answer 540 m^3