Mathematics, 26.06.2019 15:30, thomasalmo2014
When the stanfordâbinet iq test came into use in 1932, it was adjusted so that scores for each age group of children followed roughly the normal distribution with mean 100 and standard deviation 15 . the test is adjusted from time to time to keep the mean at 100 . if presentâday american children took the 1932 stanfordâbinet test, their mean score would be about 120 . the reasons for the increase in iq over time are not known but probably include better childhood nutrition and more experience in taking tests. (a) iq scores above 130 are often called âvery superior.â what percentage of children had very superior scores in 1932
Answers: 3
Mathematics, 21.06.2019 22:30, lilmaddy8856
Which expressions equal 9 when x=4 and y=1/3 a. x2+6y b. 2x + 3y c. y2-21x d. 5 (x/2) -3y e. 3x-9y
Answers: 2
Mathematics, 21.06.2019 23:40, Alex9089435028
You are saving to buy a bicycle; so far you save 55.00. the bicycle costs 199.00. you earn 9.00 per hour at your job. which inequality represents the possible number of h hours you need to work to buy the bicycle?
Answers: 2
Mathematics, 22.06.2019 00:00, evazquez
Jessica is organizing a guided tour of the rain forest. the average profit per person that the touring company makes is given by the rational expression 18x+35/x, where x is the number of people going on the tour. what does the numerator of this rational expression represents?
Answers: 2
When the stanfordâbinet iq test came into use in 1932, it was adjusted so that scores for each age g...
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