Question

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1. the graph below shows the average monthly temperatures for a city. what is the best estimate of the average temperature for the year? a. 54 °f b. 66 °f c. 79 °f d. 104 °f

Explanation:

Step1: List monthly temperatures

Jan: $54^\circ\text{F}$, Feb: $54^\circ\text{F}$, Mar: $57^\circ\text{F}$, Apr: $61^\circ\text{F}$, May: $65^\circ\text{F}$, Jun: $72^\circ\text{F}$, Jul: $77^\circ\text{F}$, Aug: $77^\circ\text{F}$, Sep: $71^\circ\text{F}$, Oct: $67^\circ\text{F}$, Nov: $58^\circ\text{F}$, Dec: $53^\circ\text{F}$

Step2: Sum all temperatures

$54+54+57+61+65+72+77+77+71+67+58+53 = 786$

Step3: Calculate yearly average

$\frac{786}{12} = 65.5 \approx 66$

Answer:

B. 66 °F