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creativ13 [48]
2 years ago
6

Find the measures of center for following. Data Frequency 30 - 34 1 35 - 39 0 40 - 44 3 45 - 49 7 50 - 54 5 55 - 59 10 60 - 64 1

0 65 - 69 21 70 - 74 12 mode
Mathematics
1 answer:
dalvyx [7]2 years ago
3 0

Answer: the mode is 67.2

Step-by-step explanation:

Given that;

Data               Frequency

30 - 34                 1

35 - 39                0

40 - 44                3

45 - 49                7

50 - 54                5

55 - 59               10

60 - 64               10

65 - 69              21

70 - 74               12

Mode = ?

we know that mode is the number that has the highest number of appearance of frequency, so in this case, the data group that has the highest frequency (21) is 65 - 69  

Lower class boundary of the modal group; L = 65

Frequency of the group before the modal group; Fm-1 = 10

Frequency of the modal group; Fm = 21

Frequency of the group after the modal group; Fm+1 = 12

Group width; G = 4

Now using the formula

Mode = L + [ (Fm - Fm-1) / ( (Fm - Fm-1) + (Fm - Fm+1) ) ] × W

so we substitute

Mode = 65 + [ (21 - 10) / ( (21 - 10) + (21 - 12) ) ] × 4

= 65 + [ 11 / 20] × 4

= 65 + 2.2

= 67.2    

Therefore the mode is 67.2

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10
irakobra [83]

We have that the total length of paper needed to cover all the tables is

X=288.5ft

From the question we are told that:

Number of tables n=36

Length of tablel=8

Extension e=3 inch =>0.25feet

Generally, the equation for the Total length  tables is mathematically given by

l_t=n*l\\\\l_t=36*8

l_t=288ft

Therefore with an extension of 0.25ft at both end we have the Total length of  tablecloths to be

X=l_t+2(e)\\\\X=288ft+2(0.25)

X=288.5ft

In conclusion

The total length of paper needed to cover all the tables is

X=288.5ft

For more information on this visit

brainly.com/question/12595620

6 0
3 years ago
WILL GIVE BRAINLIEST
wlad13 [49]

A) Tonya bought 3 games at X price, so 3X would be total amount.

B) Tony's cost was 0.50 less than X, so x-0.50, he bought 4 games, so he spent 4(x-0.50).

C) Set those to equal to solve for x:

3x = 4(x-0.50)

D) Solve:

3x = 4(x-0.50)

Distribute:

3x = 4x - 2

Subtract 4x from both sides:

-X = -2

Multiply both sides by -1:

X = 2

E) Since X is the amount Tonya paid per game, Tony paid X - 0.50, so Tony paid 2 - 0.50 = $1.50 per game.

Check:

Tonya:  3x = 3(2) = $6 total

Tony: 4(x-0.50) = 4(2.00 - 0.50) = 4(1.50) = $6 total

8 0
3 years ago
Read 2 more answers
If I have $100 dollars and spend $99.99 dollars, how much money do I have left?
Brrunno [24]

Answer:

You have $00.01

Step-by-step explanation:

100-99.99=0.01

5 0
3 years ago
Read 2 more answers
3st+2su-4sv factorised
Afina-wow [57]
The first step to factorising this expression, is finding what is common in each term.
The GCF of 3, 2 and -4 is 1 therefore we will not have a coefficient of the outside terms.
Then we have st, su and sv
s is common in all of them therefore we can take out s.

So far we have s(                )
Now for each term we must find what we multiply by s to reach it.
3st / s = 3t
2su / s = 2u
-4sv / s = -4v

Now just put these values inside the brackets.

s(3t + 2u - 4v)

5 0
3 years ago
What are the Answers how do u do them ?
ale4655 [162]
Cube root y7903 with zero ssa
4 0
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