Rectangular array of numbers, variables or parameters is called
Rectangular array of numbers, variables or parameters is called
| Note: | The above multiple-choice question is for all general and Competitive Exams in India. |
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For any square matrix A of order ‘n’, A +ATis
Question: For any square matrix A of order ‘n’, A +ATis
A. skew symmetric B. non-skew symmetric C. symmetric D. non-symmetric Answer» c. symmetric Note: The above multiple-choice question is for all general and Competitive Exams in India. When constructing a frequency distribution, which of the following rules must befollowed?
Question: When constructing a frequency distribution, which of the following rules must befollowed?
A. the midpoint of each class must be an integer B. the width of each class is equal to the lowest value in the data set C. the number of classes must be an even number D. adjacent classes cannot overlap Answer» d. adjacent classes cannot overlap Note: The above multiple-choice question is for all general and Competitive Exams in India. Correlation refers to
Question: Correlation refers to
A. the causal relationship between two variables B. the association between two variables C. the proportion of variance that two variables share D. a statistical method that can only be used with a correlational research design Answer» b. the association between two variables Note: The above multiple-choice question is for all general and Competitive Exams in India. The number of observations corresponding to a class is known as ………………..ofthat class.
Question: The number of observations corresponding to a class is known as ………………..ofthat class.
A. population B. frequency C. class interval D. none of these Answer» b. frequency Note: The above multiple-choice question is for all general and Competitive Exams in India. Fishers ideal index is obtained as :
Question: Fishers ideal index is obtained as :
A. the sum of laspeyre’s & paasche’s indices B. the geometric mean of laspeyer’s & paasche’s indices C. the arithemetic mean of laspeyer’s & paasche’s indices D. the harmonic mean of laspeyre’s & paasche’s indices Answer» b. the geometric mean of laspeyer’s & paasche’s indices Note: The above multiple-choice question is for all general and Competitive Exams in India. The polynomial px2 + qx + rx4 + 5 is of type
Question: The polynomial px2 + qx + rx4 + 5 is of type
A. linear B. quadratic C. cubic D. biquadratic Answer» d. biquadratic Note: The above multiple-choice question is for all general and Competitive Exams in India.