Mathematics, 20.04.2020 19:59 trevonkincade9p5hlin

I’m not sure what the answer is

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Answer from: beepbeep123

The population is 300 the sample is the amount of people who responded.

= 300 ⇒300:138

this means sample unsatisfactory

as the sample was less than 50%

Step-by-step explanation:

The population is viewed as 300/570

There are a number of different ways to handle this. One is to target a 100% response rate, although in doing this care has to be taken in how it is achieved to avoid biasing the responses by changing them! By way of a silly example, if I offered everyone who responds to the survey a lifetime’s supply of ice-cream to boost the response rate, and the survey includes questions about future purchases of ice-cream, that may well impact on the answers. Similarly, cajoling employees into completing an engagement survey may have a negative effect on their answers.

Non-response does not always have a negative effect on survey result (there is a large body of research in this area: Curtin, Presser, and Singer 2000 ; Keeter et al. 2000; , and Earl, “The Practice of Social Research”). Anything over 50% is usually sufficient, and over 70% is viewed as a very good response rate. There are a number of reasons for survey non-response:

Awareness (people were not aware of the survey due to communication failure).

Capability (people do not have the knowledge/competence/tools to complete the survey).

Motivation (people are aware and able, but unmotivated/unwilling/refusing).

Answer from: Quest

1: -2 3/4, -2 1/2, -14, 0, 3, 8 1/3

2: -4, -3, -2 1/2, -2 1/4, 3 1/4,

step-by-step explanation:

Answer from: Quest

The question is kind of confusing. if it's asking how many variations of answers can you give. then do 4^5 for your answer.this would be something like the first question could be a and the 2nd c or first b next c etc. if you can, ask the teacher for a better confirmation of what it's asking. if i'm assuming correctly what it's asking, it's 625 different variations.

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