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Test Bank for Essentials of Statistics for the Behavioral Sciences Chapter 6 (7th edition by Mario F. Triola) $9.99   Add to cart

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Test Bank for Essentials of Statistics for the Behavioral Sciences Chapter 6 (7th edition by Mario F. Triola)

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  • Elementary Statistics
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  • Elementary Statistics

Test Bank for Essentials of Statistics for the Behavioral Sciences Chapter 6 (7th edition by Mario F. Triola)

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  • August 8, 2024
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  • 2024/2025
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  • elementary statistics
  • Elementary Statistics
  • Elementary Statistics
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Test Bank for Essentials of Statistics for
the Behavioral Sciences Chapter 6 (7th
edition by Mario F. Triola)

Probability - ANSFor as situation in which several different outcomes are possible, the
probability for any specific outcome is defined as a fraction or a proportion of all the possible
outcomes.

If the possible outcomes are identified as A, B, C, D and so on then probability of A= # of
outcomes classified as A/ total number of possible outcomes.

Simple Random Sample - ANSeach individual in the population has an equal chance of being
selected.

Random Sampling - ANSeach individual has an equal chance of being selected and that the
probability of being selected stays constant from one selection to the next if more than one
individual is selected.


A sample produced by this technique is known as a random sample.

Random Sample - ANSsample produced by random sampling, in which each individual has an
equal chance of being selected and that the probability of being selected stays constant

Normal Distribution: Turn an X into a z-score - ANSz= (X - μ)/ σ

Probability (Random Samples) - ANSTwo requirements that must be satisfied for a random
sample.

1.) Every individual in the population has an equal chance of being selected.

2.) When more than one individual is being selected, the probabilities must stay constant. This
means that there must be sampling with replacement.

Probabilities (proportions) for normal distributions can be found in the unit normal table... -
ANSThe table provides a listing of the proportions of a normal distribution that correspond to
each z-score value. With the table, it is possible to move between X values and probabilities
using a two-step procedure:

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