Human measurements provide a rich area of application for statistical methods. The article "A Longitudinal Study of the Development of Elementary School Children's Private Speech" (Merrill-Palmer Q., 1990: 443-463) reported on a study of children talking to themselves (private speech). It was thought that private speech would be related to IQ, because IQ is supposed to measure mental maturity, and it was known that private speech decreases as students progress through the primary grades. The study included 33 students whose first-grade IQ scores are given here.82 96 99 102 103 103 106 107 108 108 108 108109 110 110 111 113 113 113 113 115 115 118 118119 121 122 122 127 132 136 140 146 Describe the data and comment on any interesting features. a. The representative value of IQ scores is around 113.b. The second lowest IQ, 96, also stands out as an outlier. c. The distribution of IQ scores is symmetric. d. The lowest IQ, 82, certainly stands out as a low outlier. e. The distribution of IQ scores is slightly positively skewed. f. The representative value of IQ scores is around 120.g. There are no outliers. h. The distribution of IQ scores is very negatively skewed.

the one that has a slope of 1/2 and is positive.

step-by-step explanation: 2 buckets 1 trip ; 4 buckets 2 trips and so on.

the simplified form is

step-by-step explanation:

we want to simplify the expression,

let us change the middle bar to a normal division sign to obtain,

we multiply the first fraction by the reciprocal of the second fraction to obtain,

we factor to obtain,

we cancel the common factors to get,

we simplify to get,

the correct answer is b

proportions are fractions that equal to each other. so if two fractions are the same, they are proportional.

let's check the answers to see if they are proportional.

question a is not proportional because you can't turn 1.5/3 to 3/9. if you try to multiply 1.5/3 by 2 or 3, you wont get 3/9. it's impossible to make the fractions the same.

question b is not proportional because you can't turn 22/33 to 4/6. 33 can't go into 6.

question c is proportional because when you multiply 2 and 3 by 71, you would get 142/213, and those fractions equal to each other

question d is proportional because when you divide 14 and 7 by 2, you would end up with 7/3.5, and those fractions equal to each other.

6 cars because if you have 8 and subtract 2 youll have 6 left over