Question

Using the data below, calculate the correlation of these samples.  

seed_mass	seedling_height
5.06	7.91
5.06	7.25
5.5	7.29
5.91	8.91
5.6	6.93
4.54	6.65
6.6	8.47
4.79	5.87
6.15	9.18
5	6.14
5.77	6.34
4.33	5.22
5.38	7.7
4.25	5.77
5.41	8.29
5.01	7.66
6.26	6.73
5.07	6.56
5.5	5.89
5.23	7.14
4.24	5.48
5.89	8.36
5.32	6.56
5.56	6.04
4.95	6.97

(a) The correlation coefficient r =  (report your answer to 3 decimal places)

(b) The alternate hypothesis is  (answer A or B)

(A) ρ = 0 ;

(B)  ρ ≠ 0

(c) calculated t value is  (report your answer to 3 decimal places)

(d) Degree of freedom =

(e) critical t value at alpha =0.05 =

(f) Do we reject or fail to reject the null hypothesis?

Answer:  (reject or fail to reject)

(g) Is there a relationship between seed weight and seedling height? Answer: (Yes or no)

Answer 1

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