please need help with my stats. I was absent and can\'t figure out how to start

Question

please need help with my stats. I was absent and can't figure out how to start this problem please help. I need to do problem 5. a,b and d

ber). Should he automatically assume that there is no relation between the two variables? What would you recommend that he do in order to determine whether the correlation between the two variables is a fair es- timate of the true relation between the two variables? (5) Each of the following examples represents an opportunity to examine the correlation between two variables. For each example, identify and describe the potential problems with how the data are collected, the in- terpretation of the results, or both. a. The relationship between age and reaction time for subjects from 1 year to 65 years of age. b. The correlation between IO and grades for honor students at a large university c. The correlation between vocabulary and reading speed among chil- dren in an economically disadvantaged community d. The correlation between years of education and annual income for men and women between the ages of 18 and 35. Fach of the following statements is based on a correlation between two

Explanation / Answer

a.In this problem a researcher wants to find out whether there is any correlation between the two variables age and reaction time. For this purpose she has collected a data for subjects from 1 year to 65 years of age and measured whether there is any relation between age and reaction time.

b.To find the correlation between IQ and grades for honor students in a large university first collect the samples. Then record the IQ and grades of the students. Now, find the correlation between the two variables and watch whether it is positive or negative.

d.First collect the data for annual income and years of education for men and women between the ages of 18 years and 35 years. Find the correlation. If it is negative then understand that the correlation is negative between the two variables or otherwise it is positive.

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