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erma4kov [3.2K]
4 years ago
4

A __________ determines how far a particular value is from the mean relative to the data set's standard deviation. a. percentile

b. coefficient of variation c. z-score d. variance
Mathematics
1 answer:
jasenka [17]4 years ago
6 0

Answer:

z-score

Step-by-step explanation:

Z-score gives the relative value of any data population in relation to its mean. It depicts at what distance any data is from the mean. In technical terms it can be termed as the number of times a data is data away from the mean. Positive value of z score means value is more than mean while a negative value signifies data is less than that of mean.

Z – score is primarily used in qualitative analysis of numerical data by the statistician after data is arranged in normal distribution form. Z score of 0 means the value is same as mean while z-score of value 1 means data is one standard deviation away from the mean.

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What's the length of an arc with a central angle of 100° and a radius of 2 inches?
koban [17]

Answer:

3.49 inches

Step-by-step explanation:

circumference = 2(2)(π) = 12.56 inches

(100/360)(12.56) = 3.49 inches

5 0
3 years ago
Savannah has $5 in her wallet. She owes her brother $20 and owes her sister $18. She earned $25 babysitting. Write an algebraic
Black_prince [1.1K]
5-20-18+25= -8 hope it helps           
4 0
3 years ago
A flask contains 12% acid solution and the remaining volume is water. If the flask is 8.52 inches high and the diameter is 3.71
Tamiku [17]

Answer:

Percent of water in the mixture=88%

Which is 81.07 square inches of the total volume

Step-by-step explanation:

Volume of the flask=πr^2h

π=3.142

radius=diameter/2

=3.71/2

=1.855

height=8.52 inches

Volume of the flask=πr^2h

=3.142*(1.855)^2*8.52

=3.142*3.441025*8.52

=92.115688686

Approximately 92.12 square inches

Flask contains 12% acid solution and the remaining volume is water

Percentage of water =Total percentage - acid solution percentage

=100%-12%

=88%

Percentage of Water =88%

Percentage of the mixture by volume is water=88% of the total volume

=88/100*92.12

=81.0656 square inches

Approximately 81.07 square inches

6 0
4 years ago
6p + 4 / 7 + 5p - 6 / 2 - 3p / 4 when p = 4
vesna_86 [32]

Step-by-step explanation:

Given p = 4,

substitute p= 4 into the expression

6p+4/7+5p-6/2-3p/4

6(4) +  \frac{4}{7}  + 5(4) -  \frac{6}{2}  -  \frac{3(4)}{4}  \\  = 24 +  \frac{4}{7}  + 20 - 3 - 3 \\  = 44 +  \frac{4}{7}  - 3 - 3 \\  = 38 +  \frac{4}{7}  \\  = 38 \frac{4}{7}

4 0
3 years ago
The tablet below represents ordered pairs that satisfy the functions f(x) and g(x). If f(x)=4x, which statements are true of g(x
dexar [7]
B and D are the correct answers.
8 0
3 years ago
Read 2 more answers
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