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A researcher was interested in examining the effects of the amount of caffeine intake during the day on the quality of participants’ sleep quality of 50 male, sophomores at USF who were randomly selected. Quality of sleep was measured using an actigraphy and amount of caffeine was measured using a self-reported food diary. Is the sample used in the study a probability sample or a non-probability sample?

A researcher wishes to predict a runners’ 5-k running time using the runners’ VO2 Max values. Which of the following analyses would be most useful?

A distribution of scores has a mean of 100 and a median of 100.  What can we conclude with certainty about the distribution?

7 undergraduate students were randomly selected and asked to complete a questionnaire that asked how many total marathons (26.2 miles or 42.16 kilometers) they had completed. The results were: 7, 0, 0, 0, 2, 1, 4 What is the variance for the number of marathons?  

A researcher was interested in examining the effects of the amount of caffeine intake during the day on the quality of participants’ sleep quality of 50 male, sophomores at USF who were randomly selected. Quality of sleep was measured using an actigraphy and amount of caffeine was measured using a self-reported food diary. What is the independent variable?

Where is mRNA produced in a eukaryotic cell?

What type of bond holds the base pairs of DNA together?

Which of the following bases is classified as a pyrimidine?

Which of the following nitrogenous bases are found in DNA BUT NOT RNA?

In prokaryotes, 100% of protein synthesis occurs in the nucleus. True or False?