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Q. The variate values which divide a series into ten equal parts are called:

Q. The trend line Y=a+bX obtained by the least Squares method is known as the line of

Q. In a five number summary, which of the following is not used for data summarization?

Q. The first three moments of a distribution about the mean are 1, 4 and 0. The distribution is:

Q. For a distribution of data, if the arithmetic mean> median>mode, then which of the following is true?

Q. For a symmetrical distribution, Q1 and Q3 are 20 and 60 respectively. The value of median will be:

Q. The of group indices given the General Index

Q. The point of intersection of two regression lines is..........................

Q. Asimpleindexnumberis anumberthatmeasures arelativechangein ?

Q. The value of a correlation is reported by a researcher to be r = −0.5. Which of the following statements is correct?