the number of cars parked in a public parking lot near a shopping center is recorded in the graph. on the $x$-axis, 1 represents 1:00 a.m. while 13 represents 1:00 p.m.

approximately how many cars are expected to be parked in the lot at 4:00 p.m.?

200 cars
130 cars
75 cars
15 cars

Question

the number of cars parked in a public parking lot near a shopping center is recorded in the graph. on the $x$-axis, 1 represents 1:00 a.m. while 13 represents 1:00 p.m.

approximately how many cars are expected to be parked in the lot at 4:00 p.m.?

200 cars
130 cars
75 cars
15 cars

Accepted Answer

{ "quality": "clear", "question_count": 1, "skills_matched": [ "step_cot", "multiple_choice_formatter", "explain_then_answer", "quick" ], "needs_drawing": false, "concepts_used": [ "Line of Best Fit Prediction" ], "new_concepts": [], "current_concepts": [ "Line of Best Fit Prediction", "Scatter Plot Analysis" ] } ## Determine the x-value corresponding to 4:00 p.m. $$ \begin{aligned} &\text{1:00 a.m.} ightarrow x = 1 \ &\text{1:00 p.m.} ightarrow x = 13 \ &\text{4:00 p.m.} ightarrow x = 13 + 3 = 16 \end{aligned} $$ ## Read the expected value from the curve of best fit at x = 16 $$ \begin{aligned} &x = 16 ightarrow y \approx 15 \end{aligned} $$

200 cars

130 cars

75 cars

15 cars

{ "subject": "Mathematics", "question_type": "Multiple Choice", "knowledge_point": [ "Mathematics", "Statistics", "Line of Best Fit Prediction" ] }

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QUESTION IMAGE

Question

Explanation:

Determine the x-value corresponding to 4:00 p.m.

Read the expected value from the curve of best fit at x = 16

Answer: