What about variability with a percentage

Assignment Help Business Management

Reference no: EM131277387

1. When calculating sample size, how can a researcher decide on the level of accuracy to use? What about level of confidence? What about variability with a percentage?

2. Using the formula provided in your text, determine the approximate sample sizes for each of the following cases, all with precision (allowable error) of ±5%:

a. Variability of 30%, confidence level of 95%.

b. Variability of 60%, confidence level of 99%.

c. Unknown variability, confidence level of 95%.

Reference no: EM131277387

Questions Cloud

Which americans had developed in conquering the west : Which Americans had developed in conquering the West. the United States became a true world power for the first time in its history.

Research on an ethical situation in business : Research on an ethical situation in business. You should try to get information on the situation from as many sources as possible. Make sure that you properly provide a citation for any information you gather.

What are the three fundamental considerations involved : What are the three fundamental considerations involved with the confidence interval approach to sample size determination?

Determine the amount of heat loss through the glass : Reconsider Prob. 9-21. Using EES (or other) software, plot the amount of heat loss through the glass as a function of the window glass thickness in the range of 0.1 cm to 1.0 cm. Discuss the results.

What about variability with a percentage : When calculating sample size, how can a researcher decide on the level of accuracy to use? What about level of confidence? What about variability with a percentage?

Describe the approach to curriculum development : Describe the approach to curriculum development you will use to shape curriculum design, providing a rationale for your selected approach that is consistent with the core instructional goals of the planned curriculum.

Determine the rate of heat transfer through the wall in w : The inner and outer surfaces of a 4-m 7-m brick wall of thickness 30 cm and thermal conductivity 0.69 W/m· K are maintained at temperatures of 20°C and 5°C, respectively. Determine the rate of heat transfer through the wall, in W.

Discuss accuracy level associated with the research project : Why is it important for the researcher and the marketing manager to discuss the accuracy level associated with the research project at hand?

Discuss the effect of federal response to the depression : Discuss the effectiveness of federal response to the Depression

User Account

All Pages