1. answer these questions about the graph to the right:\na. what is the dependent variable on this…

1. answer these questions about the graph to the right:\na. what is the dependent variable on this graph?\nb. does the price per bushel always increase with demand?\nc. what is the demand when the price is $5 per bushel?\n2. the bar graph above represents the declared majors of freshman enrolling at a university. answer the following questions:\na. what is the total freshman enrollment of the college? ( + or - 50 students)\nb. which major has the most students?\nc. how many students are majoring in physics?\nd. how many more students major in poly sci than in psych?\n3. answer these questions based on the graph above.\na. how much rain fell in mar of 1989?\nb. how much more rain fell in feb of 1990 than in feb of 1989?\nc. which year had the most rainfall?\nd. what is the wettest month on the graph?
Answer
Explanation:
Question 1a
The dependent variable is the one that depends on another variable. In a price - demand graph, quantity demanded depends on price. Quantity demanded
Question 1b
Examine the graph. As price goes from $3 to $4, demand increases but price decreases. No
Question 1c
Locate the price of $5 on the x - axis and read the corresponding demand value on the y - axis. 15 (per week)
Question 2a
Estimate the number of students in each major from the bar - graph and sum them up. Approximately 1100 students (150 + 100+350 + 250+250, with an allowance of ±50)
Question 2b
Identify the tallest bar in the bar - graph representing majors. Econ
Question 2c
Read the height of the bar corresponding to Physics from the bar - graph. 100
Question 2d
Find the number of students in Poly Sci and Psych from the bar - graph and subtract. 250 - 200 = 50
Question 3a
Locate March 1989 on the graph and read the rainfall value. 3 inches
Question 3b
Find the rainfall in Feb 1990 and Feb 1989 and subtract. 6 - 2 = 4 inches
Question 3c
Compare the total rainfall for each year by visually assessing the graph. 1990
Question 3d
Identify the highest point on the graph for each month across the two years. April 1990
Answer:
1a. Quantity demanded 1b. No 1c. 15 (per week) 2a. Approximately 1100 students 2b. Econ 2c. 100 2d. 50 3a. 3 inches 3b. 4 inches 3c. 1990 3d. April 1990