Elementary students has effect on performance

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1. You want to study whether or not the use of computers in the classroom for elementary students has an effect on performance. Explain how you would ideally set up such as experiment and what threats to internal and external validity there might be.

2. Are barbie dolls good and healthy for young girls to play with? Explain your reasoning. How does ethics and corporate social responsibility fit into this situation?

3. In a survey of its customers, a local tire shop found that 53% of its customers are satisfied with its services and 47% are not. The sample size was 250. a) What percentage of customers do you believe are satisfied with this service? Use 95% confidence interval. b) Use 99% confidence interval and interpret your results. What would you suggestion be to the manager?

Reference no: EM132138942

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Elementary students has effect on performance : You want to study whether or not the use of computers in the classroom for elementary students has an effect on performance.

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