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scoray [572]
2 years ago
8

in a continuous data the median class is 40-50. If the cumulative frequencies of the premedian class is one half of the sum of t

he frequencies. Find the median.​
Mathematics
1 answer:
Ede4ka [16]2 years ago
3 0

To find the median, add up the frequency column to find how many trains there were in total. There were 44 trains in total in this grouped frequency table, so work out 44 + 1 2 = 45 2 = 22.5. The median is therefore between the 22nd and 23rd values.

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(a) <br> 127.5<br> is what percent of <br> 51<br> ?
ExtremeBDS [4]
To solve this, you need to divide 127.5 by 51:
127.5/51 = 2.5
To find the percent, multiply 2.5 by 100:
2.5 x 100% = 250%
So 127.5 is 250% of 51
8 0
3 years ago
25 points to whoever solves the whole page
faust18 [17]

Answer:

row 1

5

4

-9

10

23

2

-19

18

-13

row 2

7

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25

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42

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23

11

23

row 3

-3

15

-11

37

-7

3

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3

0

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
If the club is sending 3 members to a convention, how many different groups of 3 members are possible?
Natasha2012 [34]
There are 120 different possible groups.
(10 * 9 * 8)/(3 * 2 * 1) + 120
6 0
3 years ago
Graph the relation. Is the relation a function? Why or why not? {(–1, 1), (–2, 1), (–2, 2), (0, 2)} Yes; there is only one domai
Luden [163]

{(–1, 1), (–2, 1), (–2, 2), (0, 2)}

In a function, each input has an output

Each domain has a range. In a function, range can be repeated but domain cannot be repeated. Same domain cannot have two range values.

Here domain is {-1, -2, -2, 0}

Range is { 1, 1, 2, 2}

Domain -2 is repeating so this relation is not a function

Answer : No; a domain value has two range values.


7 0
3 years ago
How can we get rid of i in the denominator?
Sloan [31]

Answer:

When you have an imaginary number in the denominator multiply the numerator and the denominator by the conjugate of the denominator.

8 0
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