Statistics Ics Part 1 Chapter 3 Online Test With Answers

Statistics Ics Part 1 Chapter 3 Online Test

Sr. # Questions Answers Choice
1 It is the reciprocal of the simple average of teh reciprocal of all the values. A.M G.M H.M Mode
2 In which of these cases would the mode be most useful as an indicator of central tendency. Every value in a data set occurs exactly once All but three values in a data set occur once, three valeus occur 5 times each All values in a data set occur 10 times each Every observation in a data set has the same value.
3 When referring to a curve that tails off to the left end, you would callit. Symmetrical Skewed to the right Positively skewed None of these
4 When a distribution is symmetrical and has one mode, the highest point on the curve is called the. Mode Median Mean All of these
5 Departure from symmetry is called. Kurtosis Skewness Dispersion None of these
6 Which of the following is the first step in calculating the median of a data set. Average the middle two values of the data set. Array the data Determine the relative weights of the data values in tems of importance None of these
7 When calculating the average rate of debt growth for a company, the correct mean to use is. Arithmetic mean Weigheted arthmetic Geometric mean None of these
8 What is teh major assumption we make when computing a mean from grouped data. All values are discrete Eveery value in a class is equal to the midpoint No value occurs more than once Each class contains exactly the same number of values
9 Third quartile Q3 = P<sub>33</sub> D<sub>3</sub> Median None of these
10 In a symmetrical distribution Q1 = 20, Median = 30 the Q3 is: 50 40 30 60
11 For negatively skewed distribution mean______ median ______mode.  = &lt; &gt; None to these
12 For positive skewed distribution mean _________ Median __________ Mode. = &lt; &gt; None of these
13 Which of the following is not based upon all the observations. A.M G.M H.M Mode
14 For a certain distribution if Σ(x -10) = 5, Σ(x -20) =18 & Σ(x -15) = 0 then the value of Σ is. 10 15 <div>20</div> 25
15 Code method of calculation is only used in: Median Combined mean A.M None of these
16 For the given data 2,3,7,0,-8 G.M will be. Negative Positive Zero Impossible
17 If any value in the date is zero, then it is not possible to have. A.M Median Mode H.M
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