Lesson 2: Sample Size Flashcards

1
Q

is the portion or subset of a population required to ensure that there is sufficient information to generalize the finding of the research.

A

Sample Size, According to Sekaran and Bougie (2010)

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2
Q

an alpha level of 0.05 is acceptable in the majority of research and it represents
a 95% confidence level and a t-critical value of 1.96

A

According to Barlett et. al. (2001)
- A. SELECTING THE ALPHA VALUE

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3
Q

say that for continuous data, a margin of error of 3% is acceptable while the categorical data is ±5.

A

• Krejcie and Morgan (1970)
- B. THE ACCEPTABLE MARGIN OF ERROR OF MEAN BEING ESTIMATED

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4
Q

suggested a variability of 50% in the population for the continuous while the categorical data is squaring the population variability (0.05)= 0.25 =n 25%.

A

• Krejcie and Morgan (1970)
- C. THE ESTIMATE OF VARIANCE OF POPULATION

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