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marin [14]
3 years ago
5

How do I find the standard deviation of the 100 times?

SAT
1 answer:
vivado [14]3 years ago
5 0

Answer:

90

Explanation:

So it is asking 100 times so that means it is asking for which is the greatest interval so 90 would be the right answer.

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3 years ago
What are the different types of threats to External Validity?
bulgar [2K]

The ability to generalize a study's results to different circumstances is known as external validity that suffers from 7 types of threats.

<h3>What are the threats to External Validity?</h3>

There are 7 major threats to external validity.

  • The first threat is sampling  bias, in which a sample is not representative of the population.
  • The second threat is history, where an unrelated incident can affect the results.
  • The third threat is observer bias, in which the traits or actions of the experimenter unintentionally affect the results, resulting in bias and other demand features.
  • The fourth threat  is the Hawthorne effect, which describes the propensity for individuals to alter their behaviour merely because they are aware that they are being observed.
  • The fifth threat is the Testing Effect, in which the results are impacted by whether a test is administered before or after another.
  • The sixth threat is the aptitude-treatment, which involves the interaction of individual and group factors to affect the dependent variable.
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To learn more about external validity, refer:

brainly.com/question/28760166

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6 0
1 year ago
If 25(x/y)=4 what is the value of 100 (y/x)
castortr0y [4]

Answer:625

Explanation:

 25 \dfrac{x}{y}=4\\ \dfrac{25}{4}= \dfrac{y}{x}\\ 100 \dfrac{25}{4}= 100\dfrac{y}{x}\\ =625

8 0
2 years ago
Simplify 16^x = 0.5​
gayaneshka [121]

Answer:

Explanation:

Convert the improper fraction 16/3 to a mixed number. Divide 16 by 3: 16 ÷ 3 = 5 with remainder of 1; The whole number result is 5; The remainder is 1. With 1 as the numerator and 3 as the denominator

sorry this mite be wrong but it also mite not

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