Data Interpretation and Table Reading Flashcards
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Read the first 7 Data Interpretation and Table Reading flashcards as text
A table shows monthly sales figures: Jan=$1,200, Feb=$1,400, Mar=$1,100, Apr=$1,600, May=$1,300. What is the average monthly sales?
Answer: $1,320
The average is (1200+1400+1100+1600+1300)/5 = 6600/5 = $1,320.
A table lists four students' test scores: Alice=85, Bob=92, Carol=78, Dave=88. What is the median score?
Answer: 86.5
Sorted scores are 78, 85, 88, 92; with an even count, the median is the mean of the two middle values: (85+88)/2 = 86.5.
An employee's daily work hours are recorded: Mon=8, Tue=7.5, Wed=9, Thu=8, Fri=7. What is the total number of hours worked that week?
Answer: 39.5
8 + 7.5 + 9 + 8 + 7 = 39.5 hours total for the week.
A table shows market share by category: A=25%, B=35%, C=20%, D=?%. What percentage does Category D represent?
Answer: 20%
All percentages must sum to 100%, so D = 100 − 25 − 35 − 20 = 20%.
A price table shows: Widget=$2.50, Gadget=$4.75, Doohickey=$1.25, Thingamajig=$3.50. What is the total cost for 2 Widgets and 1 Gadget?
Answer: $9.75
2 × $2.50 + $4.75 = $5.00 + $4.75 = $9.75.
A table shows annual population figures: 2020=50,000, 2021=52,500, 2022=55,125. What is the annual percentage growth rate?
Answer: 5%
52,500 / 50,000 = 1.05, indicating a 5% increase each year.
A shipping rate table shows: 0–5 lbs=$5.00, 6–10 lbs=$8.50, 11–20 lbs=$12.00, 21+ lbs=$18.00. What is the shipping cost for a 14-lb package?
Answer: $12.00
14 lbs falls within the 11–20 lb range, so the shipping cost is $12.00.
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