Describe the size differences between a 3-year-old and a 6-year-old in a developed country.
What will be an ideal response?
A 3-year-old weighs about 30 pounds and is about 35 inches tall. A 6-year-old weighs about 45 pounds and is 45 inches tall.
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Jack is a handsome and extremely charming fellow who is currently dating four women, but now must choose one. Alas, Jack is somewhat shallow and eccentric. He has decided to choose the woman whose median cost on a date is the lowest. The dollar amounts of the five dates with each woman are given below. Which of the women should Jack choose?
a. ?Barbie: 10, 11, 17, 18, and 20. b. ?Sandy: 20, 40, 70, 111, and 200. c. ?Anna: 102, 111, 312, 514, and 813. d. ?Bambi: 4, 8, 12, 13, and 500.
The stories of Croesus, Galen, and Semmelweis are important because they reflect:
a. how statistical analyses are conducted. b. the importance of random sampling. c. different ways of solving problems. d. empiricism at different levels of observation.
The Robber's Cave experiment showed that playing athletic games, such as football and baseball, reduces us-them hostility.
Answer the following statement true (T) or false (F)
What social class makes up about 20% of the population in the US? Have seasonal, inconsistent, and low-paying occupations and all of the difficulties associated with financial insecurity.
What will be an ideal response?