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likoan [24]
3 years ago
15

For 1 and 2, state whether the numbers are parameters or statistics, and use the appropriate notation to describe each number. 1

. a random sample of female college students has a mean height of 64.5 inches, which is greater than the 63-inch mean height of all adult american women.
Mathematics
1 answer:
galina1969 [7]3 years ago
3 0

Answer:

x-bar 64.5 is a statistic because it describes a sample.

Mu 63 is a parameter because it describes a population.

The symbol for mu is a Greek m

Step-by-step explanation:

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Using the Angle Addition Postulate, 20 + m∠DBC = 80. So, m∠DBC = 60° using the subtraction property of equality.

Step-by-step explanation:

If point D is the interior of angle ABC, then the angle addition postulate theory states that the sum of angle ABD and angle DBC is equals to angle ABC. The angle addition postulate is used to measure the resulting angle from two angles placed side by side.

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