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guapka [62]
3 years ago
15

A magazine publisher is informed that 72% of subscribers last year did not renew their subscriptions. This publisher wants to ra

ndomly survey 8% of these past subscribers asking the reason why they did not renew their subscriptions. All of last year's subscribers who did not renew their subscriptions are known collectively as what
Mathematics
1 answer:
aliya0001 [1]3 years ago
3 0

Answer:

Sampling frame

Explanation:

A sampling frame is the source where the researcher draws his samples from. In other words, a sampling frame is like the population where the researcher gets samples for his investigation. In the above example, we are told the researcher wants to know why the 72% that subscribed last year didn't subscribe this year. He draws a sample of 8% from the 72% that he is trying to study, therefore the 72% are the sampling frame from where he gets his sample.

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988 divided by 96 = what
kumpel [21]
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988÷96=10.291666666666 |
8 0
4 years ago
Read 2 more answers
In ANOVA analyses, when the null hypothesis is rejected, we can test for differences between treatment means by ________. Group
nikklg [1K]

Answer:

When conducting an analysis of variance analysis on a set of samples and the null hypothesis is rejected, we can test for the difference between treatment can be tested with the aid of a t-test. This is employed when 2 related groups are involved. Independent sample, paired sample or one-sample t-test can be conducted.

Step-by-step explanation:

A t-test is a test statistic used to make inferences that determine the differences that exist statistically between 2 related groups. It tells us if the 2 groups tested are from the same population. There are 3 types of t-test namely independent sample t-test, paired-sample t-test and one-sample t-test

5 0
3 years ago
A dvd normally costs $15. It is reduced to $9.75 in a sale. How much is the percentage reduction
Ivahew [28]

Answer:

You are paying 65% of the original price.

Step-by-step explanation:

So what I did is trial and error by 5 so I started with 75% and then 70% and so on until 65%

5 0
3 years ago
ok this is very long but the points are worth it PLS HELP I BEG!! like cmon its 50 points (i think..... i put 100)
ivanzaharov [21]

<u>Answer:</u>

Below!

<u>Step-by step solution:</u>

<u>Dividing Mixed Numbers (Answers):</u>

1. 2 9/10 ÷ 3 2/5

  • => 29/10 ÷ 17/5
  • => 29/10 x 5/17
  • => 29/2 x 1/17
  • => 29/34

2. 4 1/2 ÷ 3 1/5

  • => 9/2 ÷ 16/5
  • => 9/2 x 5/16
  • => 45/32

3. 4 1/4 ÷ 3 4/5

  • => 17/4 ÷ 19/5
  • => 17/4 x 5/19
  • => 85/76

4. 4 1/2 ÷ 2 2/5

  • => 9/2 ÷ 12/5
  • => 9/2 x 5/12
  • => 3/2 x 5/4
  • => 15/8

5. 3 1/2 ÷ 4 2/5

  • => 7/2 ÷ 22/5
  • => 7/2 x 5/22
  • => 35/44

6. 4 3/5 ÷ 3 1/2

  • => 23/5 ÷ 7/2
  • => 23/5 x 2/7
  • => 46/35

<u>Dividing Fractions and Whole Numbers (Answers):</u>

1. 10 ÷ 5/10

  • => 10 x 10/5
  • => 100/5
  • => 20

2. 2/3 ÷ 7

  • => 2/3 x 1/7
  • => 2/21

3. 10 ÷ 2/4

  • => 10 x 4/2
  • => 10 x 2
  • => 20

4. 10 ÷ 2/3

  • => 10 x 3/2
  • => 5 x 3
  • => 15

5. 2/3 ÷ 3

  • => 2/3 x 1/3
  • => 2/9

6. 1/2 ÷ 7

  • => 1/2 x 1/7
  • => 1/14

<u>Dividing Fractions (Answers):</u>

1. 1/2 ÷ 1/3

  • => 1/2 x 3
  • => 3/2

2. 4/5 ÷ 1/2

  • => 4/5 x 2
  • => 8/5

3. 2/4 ÷ 7/10

  • => 1/2 x 10/7
  • => 5/7

4. 1/2 ÷ 5/10

  • => 1/2 x 10/5
  • => 1/2 x 2
  • => 1

5. 2/4 ÷ 2/5

  • => 2/4 x 5/2
  • => 1/4 x 5/1
  • => 5/4

6. 4/5 ÷ 1/3

  • => 4/5 x 3
  • => 12/5

Hoped this helped.

BrainiacUser1357

7 0
2 years ago
Read 2 more answers
.092 -.15-.19= how do I solve
photoshop1234 [79]
Line up the decimal point to each number in order from left to right and subtract to get the difference which should be -0.248
5 0
3 years ago
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