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Q. Find the mode of the set (8, 5, 7, 10, 15, 21, 5, 7, 2, 5)

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

Q. For a symmetrical distribution:

Q. The measure of dispersion which uses only two observations is called:

Q. Past data has shown that the regression line relating the final exam score and the midterm exam score for students who take statistics from a certain professor is: final exam = 50 + 0.5 × midterm One interpretation of the slope is

Q. Index number calculated by Fisher's formula is ideal because it satisfy:

Q. A data set may have no mode, one mode, or multiple modes.

Q. The suitable average for qualitative data is

Q. Fishers price index number is the -------

Q. If all the scores on examination cluster around the mean, the dispersion is said to be: