1. A researcher wants to determine if the number of hours spent studying statistics is correlated with the student's grade in the subject. The researcher found out that the correlation coefficient is r 0.86 with a p-value of 0.02. a. State the possible hypotheses of the study (Null and Alternative)., Null Hypothesis: There is no significant difference between the number of hours spent Alternative Hypothesis: There is a significant difference between the number of hours spent studying and the student's grade in the subject. b. Interpret the results.

3. A skydiver started his jump from the airplane. He fell 4.9 m in the 1st second, 14.7 m in the 2nd second, 24,5 m in the 3rd second. How far did he fall between the 7th and the 10th seconds?

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I couldn’t understand could you explain the above answer by typing. it is difficult to read hand writing

Answer is wrong