3 years ago

Decide whether the data in the table represents a linear function or an exponential function. Explain how you know.

1 answer:

8 0

This is a prime example of an exponential function due to the fact the r value is 1/3. It goes from 162 to 54 which is a 1/3 deduction from the original value.

CORRECT ANSWER: C

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Answer:

x = 6

Step-by-step explanation:

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2 years ago

An educational psychologist wishes to know the mean number of words a third grader can read per minute. She wants to make an est

amid [387]

Answer:

(38.1,88.6)

Step-by-step explanation:

We are given the following in the question:

Sample mean, $\bar{x}$ = 38.3

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Population standard deviation, σ = 3.6

95% Confidence interval:

$\mu \pm z_{critical}\frac{\sigma}{\sqrt{n}}$

Putting the values, we get,

$z_{critical}\text{ at}~\alpha_{0.05} = 1.96$

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2 years ago