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For 72 68 64 90 80 84 78 75 76 77: σ=7.4863

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โˆ™ 2013-07-08 13:32:19
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Q: What is th standard deviation of 72 68 64 90 80 84 78 75 76 77?
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When Mrs Myles gave a test the scores were normally distributed with a mean of 72 and a standard deviation of 8 About 68 percent of her students scored between which two scores?

68 % is about one standard deviation - so there score would be between 64 and 80 (72 +/- 8)


What is the standard deviation for the following numbers 100 76 68 80 56 64 72 52 84 40 60 72 56 64 36 52 76 44 60 80 56 48 68 76 84?

75.5 approx.75.5 approx.75.5 approx.75.5 approx.


What is the median of 61 62 64 68 70 71 72?

It is 68, the number in the middle when they are arranged in order.


What is the mean mode median of 64 64 64 65 65 65 65 67 67 68 68 70 70 72 73 76 79 80?

65 is the median,


What are the factors of 120 and 96 and 168?

64 72 89 64 68 26 863 5+956+3


All the even numbers between 61 and 73?

62 64 66 68 70 72


What are the multiples of 4 in between 50 and 80?

52, 56, 60, 64, 68, 72, 76.


What is 72 - 64?

8


What is nine-eights of 64?

9/8 of 64 = 72 64 * 9 / 8 = 72


What is the greatest common factor of 68 and 72?

GCF(68, 72) = 4.


Multiples of 4 between 40 and 80?

They are: 44, 48, 52, 56, 60, 64, 68, 72, 76.


what is all the even number between 53 and 74?

54, 56, 58, 60, 62, 64, 66, 68, 70, 72


What is 49 plus 72 plus 68 equals?

49 + 72 + 68 = 189


What is the mode of this data set 64 and deg 72 and deg 74 and deg 68 and deg 70 and deg 68 and deg 68 and deg 75 and deg and 44 and deg?

68, because it appears more than any other number.


Is a 1965 elcamino frame the same as a 1966 frame?

they fall into groups,64 and 65 are the same.66 and67 are like each other but different from 64-5.then you have 68-72.


What is the missing multiple after 64?

65, 66, 68, 72, 80, 96 or 128 depending on whether you're counting by 1, 2, 4, 8, 16, 32 or 64.


What is the manufacture date of Winchester model 1400 MK II 12ga semi-auto shotgun?

everything i have seen says 68-72/74 the 1400 was 64-68 and 74-95ish...


What is the GCF of 72 and 64 is?

72 / 64 = 1 r 8 64 / 8 = 8 r 0 GCF of 72 and 64 is 8.


What is the ratio of 72 to 64?

It is 72/64 = 1.125


What is the percent of decrease for 72 to 64?

(72 - 64)/72 x 100 = 11.1 recurring (that is, 11.1111...) percent.


What is the standard deviation of 77 83 69 72 85 90 95 75 55 45?

For 77 83 69 72 85 90 95 75 55 45: σ=15.4071


Data A 77 64 71 55 72 73 71 47 52 Data 40 25 26 12 2 46 22 23 28 34 which one what data sets shows more variatiion around the mean?

Compute the variance (or its square root , standard deviation) of each of the data set. Set 1: standard deviation = 10.121 Set 2: standard deviation = 12.09 Set 2 shows more variation around the mean. Check the link below


What is the GCF of 64 72?

The Greatest Common Factor (GCF) of 64 and 72 is 8.


What goes into 64 oveer 72?

8 because 64/72 = 8/9


What is the least common multiple of 64 and 72?

The LCM of 64 and 72 is 576.The least common multiple of the numbers 72 and 64 is 576.