3 years ago

A sample that does not accurately represent the population is a _________.

Mathematics

1 answer:

Zinaida [17]3 years ago

6 0

The word "random' does not describe the sample.

You might be interested in

The cost to store is $500. The markup rate is 12% What is the marking amount? $____ What is the selling price? $ ____

wel

$500 x 0.12 = $60

$500 x 0.88 = $440

<span>What is the marking amount? $60
What is the selling price? $440</span>

8 0

3 years ago

if the number of employees is an indicator of a successful business ,in which company should ajay invest?

neonofarm [45]

U should do the one with the most employees is u believe that
<span />

5 0

3 years ago

What is the product of 2a-7/a* 3a^2/2a^2-11a+14

Vera_Pavlovna [14]

Answer:

B. 3a/a-2

Step-by-step explanation: according to e2020

8 0

3 years ago

A student records the repair cost for 17 randomly selected stereos. A sample mean of $52.33 and standard deviation of $21.44 are

Dafna11 [192]

Answer:

90% confidence interval is (43.25, 61.41)

Step-by-step explanation:

Given that,

n = 17

Mean, $\bar{x}$ = 52.33

Standard deviation, $\sigma$ = 21.44

∝ = 0.10

Now,

Confidence interval = $\bar{x}$ ± $t_{\frac{\alpha }{2}, n-1} [\frac{\sigma}{\sqrt{n} } ]$

= 52.33 ± 1.7646 [ 21.44 / √17 ]

= 52.33 ± 9.0791

So,

52.33 + 9.0791 = 61.4091

52.33 - 9.0791 = 43.2509

So,

90% confidence interval is (43.25, 61.41)

Also,

Lower end-point = 43.25

Upper end-point = 61.41

4 0

3 years ago

How do you interpret slope and y- intercept from a table?

Ivahew [28]

Answer:

graph the table and fine the rise over run

8 0

3 years ago