Business Statistics Test
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Business Statistics Test
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25 Questions

1. If ρ=0, the angle between the two lines of regression is____________.
2. The value in a series occurs most frequently is called_______________.
3. If r is called simple correlation coefficient, the quantity r2 is known as__________.
4. Pictograms are____________.
5. The range of simple correlation coefficient is____________.
6. Statistics considers ____________.
7. The shape of pie diagram is____________.
8. .Which measure of dispersion is least affected by extreme values?"
9. Sources of secondary data are___________.
10. The immigration and out migration of people in a number of countries and also the net migration can be better displayed by____________.
11. A series showing the sets of all distinct values individually with their frequencies is known as___________.
12. For a negatively skewed distribution, the correct inequality is____________.
13. If each observation of a set is multiplied by 10, the mean of the new set of observations____________.
14. The difference between the index numbers based on n selected items and total number of items is called ____________.
15. Pie chart represents the components of a factor by____________.
16. Frequency of a variable is always____________.
17. A measure of ______ gives a single representative value for a set of usually unequal values.
18. The other name of the cumulative frequency curve is _______________.
19. A study based on complete enumeration is known as__________.
20. If a frequency distribution is positively skewed, the mean of the distribution is___________.
21. Range of 8, 12, 5, 15 is ____________.
22. Statistical results are___________.
23. If one of the regression coefficient is negative, the other _______________.
24. If each value of a series is multiplied by 10, the median of the coded values is____________.
25. In an ordered series, the data are____________.

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