Question: By using excel find : 1- mean 2- mode3-median 4-range 5-variance6- lower quartile 7-upper quartile 8- inter quartile range 9-standard deviation 1.50 Companies percentages of

By using excel find : 1- mean 2- mode3-median 4-range 5-variance6- lower quartile 7-upper quartile 8- inter quartile range 9-standard deviation

1.50 Companies percentages of revenues spent on R&D are given below. 5.2 6.9 7.8 8.8 10.5 5.6 6.9 7.9 9 10.5 5.9 7.1 8 9.2 10.6 6 7.1 8 9.4 11.1 6.5 7.2 8.1 9.5 11.3 6.5 7.2 8.2 9.5 11.7 6.5 7.5 8.2 9.6 12.0 6.6 7.5 8.2 9.7 13.2 6.8 7.7 8.4 9.9 13.5 6.9 7.7 8.5 10.1 13.5 Find the following . Mean = Median= Mode=

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