A researcher wants to determine whether the mean height of 31, 18 year old Filipino teens is significantly different from the population average of 5.2 ft. The mean and the standard deviation of the scores of the researcher's study is 5.4 ft and 7; respectively. Assume a 99% confidence level.

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Type if A if you should accept the study as having a mean not to different from the population mean. Type R if
you should reject the study as having a too different mean from the population mean.
A researcher wants to determine whether the mean height of 31, 18 year old Filipino teens is significantly
different from the population average of 5.2 ft. The mean and the standard deviation of the scores of the
researcher's study is 5.4 ft and 7; respectively. Assume a 99% confidence level.
A researcher wants to determine whether the mean lifespan of 16 pet goldfish living in the same tank is
significantly different from the population average of 12 years. The mean and the standard deviation of the
pet goldfish's lifespan is 9.5 and 11; respectively. Assume a 90% confidence level.
Transcribed Image Text:Type if A if you should accept the study as having a mean not to different from the population mean. Type R if you should reject the study as having a too different mean from the population mean. A researcher wants to determine whether the mean height of 31, 18 year old Filipino teens is significantly different from the population average of 5.2 ft. The mean and the standard deviation of the scores of the researcher's study is 5.4 ft and 7; respectively. Assume a 99% confidence level. A researcher wants to determine whether the mean lifespan of 16 pet goldfish living in the same tank is significantly different from the population average of 12 years. The mean and the standard deviation of the pet goldfish's lifespan is 9.5 and 11; respectively. Assume a 90% confidence level.
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