A Private Research Organization Studying Families in Various Countries Reported

A private research organization studying families in various countries reported the following data for the amount of time 4-year-old children spent alone with their fathers each day. $\begin{array}{ll} & \text { Time with Dad } \\\text { Country } &(minutes) \\\text { Belgium }& 30 \\\text { Canada } & 44 \\\text { China } & 54 \\\text { Finland } & 50 \\\text { Germany } & 36 \\\text { Nigeria } & 42 \\\text { Sweden } & 46 \\\text { United States } & 42\end{array}$ For the above sample, determine the following measures:
a.
The mean
b.
The standard deviation
c.
The mode
d.
The 75th percentile