Solve the following equation for y:

Mathematics

1 answer:

Mariulka [41]3 years ago

8 0

Ans is third one just move all the number to rightside and left y at left side

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In a certain normal distribution of scores, the mean is 50 and the standard deviation is 6. Find the Z-score corresponding to a

Vladimir [108]

Answer:

Option c.

Step-by-step explanation:

Given information:

Mean = 50

Standard deviation = 6

Observed value = 60

We need to find the Z-score.

Formula for Z score is,

$Z=\dfrac{x-\mu}{\sigma}$

where, x is observed values, $\mu$ is mean and $\sigma$ is standard deviation.

Substitute the given values in the above formula.

$Z=\dfrac{60-50}{6}$

$Z=\dfrac{10}{6}$

$Z=1.6666...$

$Z\approx 1.67$

Therefore, the correct option is c.

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3 years ago

Which measure of central tendency is more representative of the typical observation if the graph of the data is skewed to the ri

natta225 [31]

Answer:

Median

Step-by-step explanation:

The measure of central tendency is used to represent an entire group of data with a common single number. There are three types of measure of central tendency, the mean , the median and the mode. Our focus here is on the median because in any skewed dataset, The median is the best form for a skewed type of distribution. The median is the middle number in an ordered set of data.

In a skewed type of distribution, the mode is the highest point of the distribution. In the measure of central tendency, the mean is mostly influenced by the outliers and it is pulled towards to the tail region of the distribution.

4 0

4 years ago

Find the missing side.

astra-53 [7]

Answer:

B: 19.3

Step-by-step explanation:

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3 years ago

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