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kap26 [50]
3 years ago
13

This table shows the number of different sized pipes that have been used at Highfield Builders in January.

Mathematics
1 answer:
mote1985 [20]3 years ago
8 0

Answer:

No

Mean diameter = 44, which is in the 40 - 44 cm group

Step-by-step explanation:

Given the data:

Diameter (cm) - mid point(X) - frequency(F) - - FX

35-39 - - - - 37 - - - - 8 - - 296

40-44 - - - 42 - - - 10 - - - 420

45-49 - - - 47 - - - 13 - - - 611

50-54 - - - 52 - - - 3 - - - 156

55-59 - - - 57 - - - 1 - - - 57

Mean of grouped data:

Sum of (F × X) / sum of F

1540 / 35 = 44

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Median? 93; 17; 85; 42; 15; 19; 78
love history [14]
The median is the number in the middle when all of the numbers are placed in order (from lowest to highest).

15; 17; 19; 42; 78; 85; 93


The answer in this case would be 42.
6 0
3 years ago
- The water level of a lake fell by 13 inches during
bezimeni [28]

Answer:

r = - 13 / 15 inches/week

Step-by-step explanation:

The numerator is 13

and the denominator is 15, then we have

r = - 13 / 15 inches/week

r < 0 since the water level of the lake fell

6 0
3 years ago
Drag and drop the correct angle measures onto the diagram
svlad2 [7]

Answer:

Here you go!

Hope this helps!

7 0
3 years ago
Calculate the mean and standard deviation for the average yards rushed by
Amiraneli [1.4K]

Question:

A sample of cans of peaches was taken from a warehouse, and the content of each can mearsed for weight. the sample means was 486g with stand deviation 6g. state the weight percentage of cans with weight:

Draw normal curve to help - split into 8 section ( i can't draw it here)

a) 34.13% of cans will be between 480g and 486g.

b) 13.59 + 2.15 + 0.13= 15.87% of cans greater than 492g.

Look at the Stand Dev Graph where the give you the number

Step-by-step explanation:

Let me give you a different question and i will answer it, which you help you answer your question.

8 0
2 years ago
How do u figure -11/4+1/2
worty [1.4K]

Answer:

-2 1/4 or -9/4, depending if the question says simplified or not.

Step-by-step explanation:

-11/4 + 1/2

-11/4 + 2/4=-9/4

-9/4= -2 1/4

4 0
3 years ago
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