Measure your height and wingspan in inches using a measuringtape. Report it in the class discussion
board.
Heights (x) Wingspan (y)
63 65
72 73
63.5 61
72 68
64.5 64.25
64 66
62 63
55 57
69 70
72 73
63 64
69 68
64.25 64.75
65 67
63 64
64 65
71.25 74.5
68 70
65 62
70 72
64 61
64.5 63
58 55
63 62
69.25 70.75
64 69.5
71.75 73.5
69 71
71 74

Test the Claim
Test the claim that height and wingspan are positively correlatedat the ? = 0.05 significance level. Then,
answer the question, is the height of a person useful in predictingthe wingspan of a person?
1. Write the null and alternative hypotheses.
2. What type of tailed test is this?
3. Place the data into L1 and L2 in your calculator. Describe whichstatistical test you used. What is
the test statistic, p-value, and the linear correlationcoefficient? (Round to four decimal places.)
t = _________________________
p-value = ____________________
r = ________________________
4. Find the regression line equation. (Round to four decimalplaces.) Fill in...
^y =¿+¿¿
5. Make a decision about the null hypothesis. We__________________________ the null
hypothesis because_________________________________________________.
6. Write a conclusion. There ____________ enough evidence toconclude that
_____________________ is useful in predicting____________________________.
Prediction Questions
1. Based on the regression equation, predict the wingspan of aperson with a height of 64.5
inches. Show your work. Round to one decimal place.