Skip to content

Course home

Sign up

2 Statistics

EasyMediumHard
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203
Question 52

The daily sunshine hours and the maximum wind speed on 30 days are recorded.

a.

Suggest a null and alternative hypothesis for a two tailed test to investigate whether there is a correlation between sunshine hours and wind speed.

[2]
b.

The product moment correlation coefficient is calculated to be r=−0.32r = -0.32r=−0.32.

Test your hypotheses at the 10% significance level.

[2]
Markscheme

2 Statistics Questions

  1. A Level
  2. /Maths
  3. /2 Statistics

Question bank