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Suppose in a sample of 50 randomly selected children, 40 consume more than 8 hours of screen time per day. Suppose in a sample of 50 randomly selected adults, 42 consume more than 8 hours of screen time per day. Is there evidence to suggest that the proportion of children and the proportion of adults that consume more than 8 hours of screen time per day is significantly different? Find the p-value of this test. StatKey

Which of the below is the endpoint for the standard normal density function when the area to the right of the endpoint is about 0.84? StatKey

A random sample of 120 females results in 20 of them are cigarette smokers. A random sample of 150 males results in 26 of them are cigarette smokers. A dietician tests to determine if the proportion of female smokers is lower than the proportion of male smokers. A hypothesis test was conducted at the 5% significance level and the p-value was found to be 0.456. Which of the below represents the center of the randomization distribution for this test?

Which below statements best describes the outliers of the data summarized by the above table?

Suppose you are conducting a study, and you are told that µ = 0.68. Which of the below best describes µ = 0.68?

Consider the list of data 200, 202, 204, 207, 209, 315, 420. Which of the following is true about this list?

Which of the following is the best approximates the sample mean of the data in the above dotpot?

Which of the following statements is true based on the above scatterplot?

Suppose a chemistry experiment was conducted where the mass of a chemical (in grams) is related to the time (in seconds) by the equation  . Let x represent the time and let y represent the mass of the chemical. If the mass of the chemical is 210 grams, which of the below represents the time elapsed?

Level of Education No Debt Some Debt Significant Debt No College 25 25 50 Some College 50 50 100 College Graduate 25 50 25   In the above, what proportion of the respondents that have significant debt are college graduates?