(Solution Library) A class obtained the following scores on a test: Test Score x Frequency f x_nf_n 90 5 450 80 2 160 70 5 350 60 6 360 50 3 150 40 4 160

Question: A class obtained the following scores on a test:

Test Score x	Frequency f	\[{{x}_{n}}{{f}_{n}}\]
90	5	450
80	2	160
70	5	350
60	6	360
50	3	150
40	4	160
	\[\sum\limits_{{}}^{{}}{{{f}_{n}}}\] =25	\[\,\sum\limits_{n=1}^{6}{{{x}_{n}}{{f}_{n}}}=1630\]

Find the mean, the median, the mode and the range for the class.

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(Solution Library) A class obtained the following scores on a test: Test Score x Frequency f x_nf_n 90 5 450 80 2 160 70 5 350 60 6 360 50 3 150 40 4 160

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