Month
Expense
1. May
2. June
3. July
Calculate the mean, median, and standard deviation of the monthly
phone bills. Then display the smallest value in the list.
Keys:
Display:
$
"
@c
W
"
or
"
p s
;:H0L#T8U"
340
;:H0L$T8U"
I
:E:198%+(&(("
175
;:H0L%T8U"
I
:E:198.#.&(("
450
"
I
780
"
I
245
"
I
625
;:H0L-T8U"
I
:E:198$K'#.&(("
E
$K'#.&(("
e
•
0H1<8+%.&*%"
'
0HA;1<8%,.&(("
' #
F:AHO8$%#&.."
Phone
Month
$340
4. August
$175
5.September
$450
6. October
10: Running Total and Statistics 129
Phone
Expense
$780
$245
$625
Description:
Displays current SUM list
and SUM menu keys.
Clears current list or gets a
new one.
Stores May's phone bill;
shows total.
Stores June; updates total.
Stores phone bills for
July-October and keeps a
running total.
Displays CALC menu.
Calculates mean.
Calculates median.
Calculates standard