3. If you suspect that "hours studied" and "score on a math test" are positively correlated, what does that mean? O A. More hours of studying tend to go with higher scores on the test. O B. Fewer hours of studying tend to go with lower scores on the test. O C. More hours of studying tend to go with lower scores on the test. O D. Both A and B are true.

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Suppose you have collected data on 1000 customers who visited your company's website last week. For each customer, the time spent on the page and the total amount of customer purchases during the visit were recorded. You want to explore the relationship between these two variables. What is the explanatory variable and what is the response variable? to. Explanatory: Time spent on the page Answer: Total amount of purchases b. It is not possible since neither explains c. Answer: Time spent on the page Explanatory: Total amount of purchases

1. higher or lower 2. Slower or faster

Twenty students in a group of 40 at Dawn High elect for a course in statistics (St. Eleven students take up linear algebra (L). Five students enrolled for both courses. Represent the data in the Venn diagram below.

Lecture(10.8): The Peabody Picture Vocabulary Test has a standard score mean of 100 and a standard deviation of 15. You tested a class of grade 2 students wonderinf if these scores would be different  from the population. After testing this hypotheses  you decided to continue looking at this data  to determine if there are any group differences based on birth order. You group the children the on whether  they are the oldest chlid, middle child, or the youngest child. Here is the data based on grouped information.   Oldest child:       87       84     98     104      106      91       96   92 Middle child:       65      74      62      60         73       64       71    78 Youngest child:   115     84      85     83        95        94     108   102    89 Test the hypotheses at (alpha=0.05) level of signifance using the 5 step procedure.Make sure to clearly state the null and alternative hypotheses.Round your answer to 2 decimal. You are encouraged to use the following table to help you…

Use Grade 12 Data Management Beginner

A survey was done where one question asked of the participants was, “How many meals per week do you typically eat at a restaurant”.  The numerical answers ranged from a low of 0 to a high of 12.  How could you ask a question that would treat this as a categorical variable?  Give the question and give the choices for the answer.