Suzanne keeps track of the high and low temperatures every day for a week. the following table shows her data:
day 1 2 3 4 5 6 7 average
high (°c) 29 30 30 31 33 32 32 31
low (°c) 18 18 20 21 22 22 21 20
change (°c) 11 12 10 10 11 10 11 ?
what is the average daily change in temperature for the whole week?
a.
10.0°c
b.
11.0°c
c.
10.3°c
d.
10.7°c