TIMSS: The graph below shows the number of pens, pencils, rulers, and erasers sold by a store in one week
The names of the items are missing from the graph. Pens were the item most often sold, and fewer erasers than any other items were sold. More pencils than rulers were sold. How many pencils were sold?
a. 40 pencils
b. 80 pencils
c. 120 pencils
d. 140 pencils
ANSWER:
c
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You lead a product-testing unit for a large sports nutrition company. Your team has conducted forty trials of a new energy supplement but you are not sure if the results are conclusive enough to urge the company to start producing it. A new data analyst has joined your team suggesting that meta-analysis might be a good idea, do you agree?
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