Apps. and Interpretation for IBDP Maths Ebook 1 | Page 394

Your Practice Set – Applications and Interpretation for IBDP Mathematics
(f) (i)
1
4
(ii)
1
3
(g)
7
44
100.3 (a) The scores in the assessments
are normally distributed
(b) H
1: �A
1
� �B
1
(c) p-value � 0.0465
(d) 2.20
(e) The null hypothesis is
rejected as p-value � 0.05
(f) (i) �A
1
� �A2
(ii) As p-value � 0.05 ,
the null hypothesis is
not rejected
10
(g)
21
100.4 (a) The ball speeds of free kicks
are normally distributed
(b) H
1: �R
1
� �R2
(c) p-value � 0.0486
(d) � 1.77
(e) The null hypothesis is
rejected as p-value � 0.1
(f) (i) �R2 � �M2
(ii) As p-value � 0.1, the
(g)
1
6
null hypothesis is not
rejected
384
SE Production Limited