Question

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

seed_mass	seedling_height
5.06	6.91
5.06	7.25
5.5	6.29
5.91	7.91
5.6	5.93
4.54	6.65
6.6	7.47
5	6.87
6.15	6.18
5	6.14
5.77	6.34
4.33	5.22
5.38	6.7
4.25	6.22
5.41	6.29
6.27	5.66
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 = [a] (report your answer to 3 decimal places)

(b) The null hypothesis is [b] (answer A or B)

(A) ρ = 0 ;

(B)  ρ ≠ 0

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

(d) Degree of freedom = [d]

(e) critical t value at alpha =0.05 = [e]

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

Answer: [f] (reject or fail to reject)

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

Answer 1

answer :correlation coefficient from excel

	Column 1	Column 2
Column 1	1
Column 2	0.339501	1