Two random samples were taken to determine left foot length of female versus male bears based on measuring their tracks. Numerical summaries of the data are given. Use them to answer the questions.
male bears:
mean 9.4in
standard error 0.162
median 9.115
standard deviation 1.81
sample variance 3.26
range 9.78
min 4.57
max 14.35
sum 1145.77
count 124
female bears:
mean 12.77 in
standard error 0.104
median 12.77
standard deviation 1.44
sample variance 2.07
range 7.67
min 9.26
mx 16.93
sum 2439.11
count 191
Do female bears have longer feet than male bears?