Please help me find $**$D$**!!!!!!!!!!$ Daily high temperatures in St$.$ Louis for the last week were as follows: $95,92,95,95,97,86,90($yesterday$).$

a$)$ The high temperature for today using a $3-$day moving average $=91$ degrees $($round your response to one

decimal place$).$

b$)$ The high temperature for today using a $2-$day moving average $=,$ degrees $($round your response to one

decimal place$).$

c$)$ The mean absolute deviation based on a $2-$day moving average $=3\mathrm{.}2$ degrees $($round your response to one

decimal place$).$

d$)$ The mean squared error for the $2-$day moving average $=,$ degrees ${?}^2($round your response to one decimal place$).$