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Mumz [18]
3 years ago
5

The graph shows a distribution of data.

Mathematics
2 answers:
polet [3.4K]3 years ago
6 0

Answer:

the answer is 0.0625 (a)

Step-by-step explanation:

i took the test on edginuity

ss7ja [257]3 years ago
5 0

Answer:

.0625 or A

Step-by-step explanation:

You have to work out the mean. (The simple average of those numbers) Then for each number subtract the Mean and square the result. Then work out the average of those squared differences.

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Work this out by giving your answer as a fraction 2/3 - 1/2
suter [353]

When subtracting fractions, you need to make sure the denominators are the same. In 2/3 - 1/2, the denominators are different. To make them the same, find the least common denominator. In this case, the common denominator is 6

2/3 becomes 4/6

1/2 becomes 3/6

Now subtract the fractions with the common denominator

4/6 - 3/6 = 1/6

The answer is 1/6

Hope this helps. Please mark me as Brainliest. Thanks!

7 0
2 years ago
Read 2 more answers
Write two forms for 40,023,032
Tema [17]
Fourty million, twenty-three thousand, thirty-two.

40,000,000 + 20,000 + 3,000 + 30 + 2
3 0
3 years ago
A sample of 56 research cotton samples resulted in a sample average percentage elongation of 8.63 and a sample standard deviatio
ss7ja [257]

To solve for the confidence interval for the true average percentage elongation, we use the z statistic. The formula for confidence interval is given as:

Confidence interval = x ± z σ / sqrt (n)

where,

x = the sample mean = 8.63

σ = sample standard deviation = 0.79

n = number of samples = 56

 

From the standard distribution tables, the value of z at 95% confidence interval is:

z = 1.96

 

Therefore substituting the known values into the equation:

Confidence interval = 8.63 ± (1.96) (0.79) / sqrt (56)

Confidence interval = 8.63 ± 0.207

Confidence interval = 8.42, 8.84

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5 0
3 years ago
Assume that y varies inversely with x. If y=7 when x=2/3, find y when x=7/3
fgiga [73]
Inverse variation is of the form:

y=k/x, which we can express as:

yx=k  we are given the point (2/3, 7) so we can solve for k

7(2/3)=k

14/3=k

y=14/(3x), so when x=7/3

y=(14/3)/(7/3)

y=(14/3)(3/7)

y=2
5 0
3 years ago
A boy can swim 75 feet in 12 seconds. What is his rate to the nearest mile per hour?
oee [108]
S=d/t so in this case it's 75/12 which is 6.25. Round it and you got 6 miles per hour.
7 0
3 years ago
Read 2 more answers
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