Preview e Edit View Go Tools Window Help Q 2 Sun Oct 31 11:23 AM TEST1A (1).pdf Page 2 of 9 A Q Search TEST1A (1).pdf 6 Given the Box Plot above, what would be the mean of the 1000 students' grades. 13 For the graph below how many students are represented in the graph? 36 B 59 C 62 D 50.6 E Can not find A 115 B 80 C 40 D 5 bars = 5 students 35 If two distributions have the same measure of central tendencies then the one with the greater variability will have : Series1 THE LARGER B THE C THE D Median SMALLER O LARGEST NUMBERS Which of the following statistical displays always shows the c D value of one of the measures of central tendency? Bar Graph B Stem and C Histogram D Box and 14 If the s = 9 and the o = 16, leaf Whisker plot Then what would be the population variance? A 3 Given a distribution with a mean of 22, and the standard B 4 C 81 D 256 deviation is 1.5 , find the score represented by H-20) 15 The mode for the following distribution is what value? A 1.5 B 19 C 23.5 D 25 2, 3, 5, 2, 6, 3, 7, 2, 5, 3, 8, 9, 2, 3, 5, 5, 2 c 2, 3, 5 D No mode 10-11 The statistics for family incomes in a certain community were as follows : 16 What statistical measure would be used to determine the car Mean $13,000 Median $11,000 Mode 12,500 with the most consistent gas mileage? Range $22,000 St. dev. $2,000 A Range standard C mean D median 10 Which of the following statements is most correct? deviation A more than 508 of the families made over $13,000 B 50% of the families made over $11,000 17 Inferential statistics helps researchers make generalizations C more than 50% of the families made under $12,500 about large populations by using data from a sample of the D less than 50% of the families made under $13,000 population. 11 Which of the following statements is most correct? A True B False sate A more families made $12,500 than any other income B more families made $11,000 than any other income 18 Which measure indicates the number of standard deviations a C more families made $13,000 than any other income score is away from the mean? D maximum salary was $21,000 A Percentile standard C z score D median 2 deviation 12 If all the scores of a distribution have the same value of 75, 19 A distribution has a mean of 62 and a standard deviation of 5. then what would be the variance of the distribution? A term that is two standard deviations above the mean must A 75 B 1 C -1 D have what z-score value? A 64 B 72 C -2.00 D 2.00 20 For a distribution with a mean of 102 and a standard deviation of 4 find the z score for the term 98. A -1.00 -4 c 4 D 1.00 Page 2 of 9 Page 3 of 9 OCT 31 : V J Q S AS