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4 years ago

7

Difference between upper quartile & lower quartile

1 answer:

Olenka [21]4 years ago

6 0

Answer:

The upper and lower quartiles can be used to find another measure of variation call the interquartile range. The interquartile range or IQR is the range of the middle half of a set of data. It is the difference between theupper quartile and the lower quartile.

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Answer:

2.66667

Step-by-step explanation:

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3 years ago

A manager asked her employees how many times they had given blood in the last year. The results of the survey are given below. T

stira [4]

<u>Complete Question</u>

The probability distribution table is given below:

$\left|\begin{array}{c|ccccccc}x&0&1&2&3&4&5&6\\P(x) &0.33 &0.24& 0.16& 0.12 &0.08 &0.05& 0.02\end{array}\right|$

Answer:

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Step-by-step explanation:

The probability distribution table is given below:

$\left|\begin{array}{c|ccccccc}x&0&1&2&3&4&5&6\\P(x) &0.33 &0.24& 0.16& 0.12 &0.08 &0.05& 0.02\end{array}\right|$

We want to determine the mean number of times a person gave blood.

Expected Value, $E(x)=\sum x_i\cdot P(x_i)$

$=(0 \times 0.33)+ (1 \times 0.24)+(2\times0.16)+(3\times0.12)+(4\times0.08)+(5\times0.05)+(6\times0.02)\\=0+0.24+0.32+0.36+0.32+0.25+0.12\\=1.61\\$

The mean number of times a person gave blood based on this survey is 1.61.

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4 years ago

4 = 3t – 2 solve for t

tensa zangetsu [6.8K]

3 x 2 = 6. 6 - 2 = 4.

4 = 3(2) - 2.

t = 2

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3 years ago