CHALLENGE QUESTIONS + PRACTICE EXAM

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219798

120

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The sample standard deviation is a measure of spread around the sample median.

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219799

120

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In Cluster sampling the whole population is divided into clusters that are then chosen randomly.

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219800

120

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A study using a random sample is free of bias.

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219801

120

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A researcher studied the effects of noise on use of pain medication among patients in a noisy, inner city emergency ward. In this study the use of pain medication is an independent variable.

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219802

120

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What will be a suitable sampling technique for a hard to reach population

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219803

120

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A research team, by using a survey, found out that there is a relationship between academic achievement and their mental and physical health. This is an example of which type of study design?

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219804

120

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Height, weight and temperature are what type of data.

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219805

120

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If height is normally distributed what percentage of observations will be within two standard deviations of the mean;

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219806

120

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When we mistakenly accept the null hypothesis we commit following statistical error;.

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219807

120

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If mean height in a population is 160 cm (±5cm) and has a normal distribution, 95% of people in that population will be between:

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219808

120

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Secondary studies are higher than primary studies in the hierarchy of evidence for intervention studies.

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219809

120

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How would a researcher answer the clinical question: How does this health disorder progress if untreated?

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219810

120

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Bias in research is always undesirable.

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219811

120

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If a study is cited a lot by many other authors, reviewers are more likely to find that research compared with studies that are rarely cited or not cited at all. This is referred to as:

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219812

120

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CHALLENGE QUESTIONS + PRACTICE EXAM

Question 1 of 1

Time Left

The sample standard deviation is a measure of spread around the sample median.

Select the correct answer(s).

(0/0)

In Cluster sampling the whole population is divided into clusters that are then chosen randomly.

Select the correct answer(s).

(0/0)

A study using a random sample is free of bias.

Select the correct answer(s).

(0/0)

A researcher studied the effects of noise on use of pain medication among patients in a noisy, inner city emergency ward. In this study the use of pain medication is an independent variable.

Select the correct answer(s).

(0/0)

What will be a suitable sampling technique for a hard to reach population

Select the correct answer(s).

(0/0)

A research team, by using a survey, found out that there is a relationship between academic achievement and their mental and physical health. This is an example of which type of study design?

Select the correct answer(s).

(0/0)

Height, weight and temperature are what type of data.

Select the correct answer(s).

(0/0)

If height is normally distributed what percentage of observations will be within two standard deviations of the mean;

Select the correct answer(s).

(0/0)

When we mistakenly accept the null hypothesis we commit following statistical error;.

Select the correct answer(s).

(0/0)

If mean height in a population is 160 cm (±5cm) and has a normal distribution, 95% of people in that population will be between:

Select the correct answer(s).

(0/0)

Secondary studies are higher than primary studies in the hierarchy of evidence for intervention studies.

Select the correct answer(s).

(0/0)

How would a researcher answer the clinical question: How does this health disorder progress if untreated?

Select the correct answer(s).

(0/0)

Bias in research is always undesirable.

Select the correct answer(s).

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If a study is cited a lot by many other authors, reviewers are more likely to find that research compared with studies that are rarely cited or not cited at all. This is referred to as:

Select the correct answer(s).

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Statistics that attempt to go beyond the sample and help us to infer what happens in the wider population are known as descriptive statistics.

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