Answers2001310 Earth Science Sem 1 - PearsonAnalyzing Data

Analyzing Data Answers

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A physical science teacher calculates each student’s final grades by using the weighted rubric below. Which type of graph is best suited to show the breakdown of how this teacher weighs each category?

Question illustration
A
line graph
B
scatterplot
C
pie graph
D
frequency distribution
2
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A local meteorologist reports the day’s weather."Currently sunny outside, 34°F. Skies will become overcast later this afternoon, as temperatures drop to 25°F, with windy conditions out of the north at 10–15 miles per hour. Radar indicates 2–3 inches of snow expected to fall later tonight.”Which information is qualitative? These are non-numerical, descriptive data.These are numerical data that have been measured.

A
“sunny”
B
“25°F”
C
“2–3 inches of snow”
D
“10–15 miles per hour”
3

Which portrays inadequate data?

A
Geoff uses another classmate’s data because he forgot to record his own experiment’s temperature readings.
B
Shelby accidentally switches steps 3 and 4 while writing her laboratory procedure.
C
Rupal determines aluminum is the most reactive metal by completing only half of her experiment.
D
Juan records the density of acetone in grams per cubic liters instead of grams per milliliters.
4

Leslie wants to know which advertising medium works best to promote her electronics store. She surveys her customers over a weekend and creates a bar graph.

Question illustration
A
newspaper and printed flyers
B
radio and TV
C
radio and Internet
D
printed flyers and Internet
5

Analyze the scatterplot graph.

Question illustration
A
As age increases, weight increases.
B
As weight decreases, age increases.
C
As age increases, weight remains the same.
D
As weight increases, age remains the same.
8

Look at the data tables below.

Question illustration
A
Table 1
B
Table 2
C
Table 3
D
Table 4
9

Analyze the graph.

Question illustration
A
March, April, and May
B
May, August, and October
C
June, July, and September
D
February, October, and November
10

A pharmaceutical company claimed that experiments showed that its drug could effectively reduce the growth of cancer cells by 35 percent. However, when five independent laboratories conducted the same experiment, they measured a reduction rate of only 5–8 percent.How did these laboratories show that the pharmaceutical company’s claims were invalid?

A
The labs used the pharmaceutical company’s inadequate data.
B
The labs produced false data.
C
The labs recorded data incorrectly.
D
The labs were unable to reproduce the pharmaceutical company’s data.
11

Look at the scatterplot graph.

Question illustration
A
As variable x increases, variable y increases.
B
As variable x increases, variable y decreases.
C
Both variables show a trend toward decreasing values.
D
No distinct relationship exists between variables x and y.
12

View the spinner.

Question illustration
A
red as well as blue
B
green
C
blue as well as green
D
yellow
13

View the spinner.

Question illustration
A
1/5
B
2/5
C
3/5
D
4/5
14

Look at the graph.

Question illustration
A
More peaches will be sold.
B
Fewer peaches will be sold.
C
The number of peaches sold will be unaffected.
D
Peach orchards will produce less fruit.

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