Group
The bar graph shows the estimated number of calories per day needed to maintain energy balance for various
gender and age groups for sedentary lifestyles (Sedentary means a lifestyle that includes only the light physical Calories Needed to Maintain Energy Balance for Sedentary Lifestyles
activity associated with typical day-to-day life.) The mathematical model F= -83655x623 describes the
3200, Females
Males Group 3
number of calories needed per day. F. by females in age group x with sedentary lifestyles. According to the
24004
Group 2 2206 2394 2209
any calories per day are needed by females between the ages of 31 and 50, inclusive, with this
Group 1, c 1800 1919 1843 175
1753
lifestyle? Does this underestimate or overestimate the number shown by the graph? By how much?
1487
Group Group 6
2002
Calories per Day
1600/
101
500
31-50
51+
9-13 14-18 19-30
Age Range
According to the model, how many calories per day are needed by females between the ages of 31 and 50, inclusive, with this lifestyle?