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# 632. An important quality characteristic of water is the con- centration of suspended solid material. Following are 60 meas- urements on suspended solids from a cer...

## Question

###### 632. An important quality characteristic of water is the con- centration of suspended solid material. Following are 60 meas- urements on suspended solids from a certain lake. Construct a stem-: ~and-leaf diagram for these data and comment O any important features that you notice. Compute the sample mean; the sample standard deviation, and the sample median: What is the 9Sth percentile of concentration? ove 55.857.0 68.7 67.3 673 42.4 65.7 29.8 58.7 52.1 62.2 69.9 66.9 59.0 54.3 54.0 73.1 8133 5

632. An important quality characteristic of water is the con- centration of suspended solid material. Following are 60 meas- urements on suspended solids from a certain lake. Construct a stem-: ~and-leaf diagram for these data and comment O any important features that you notice. Compute the sample mean; the sample standard deviation, and the sample median: What is the 9Sth percentile of concentration? ove 55.857.0 68.7 67.3 673 42.4 65.7 29.8 58.7 52.1 62.2 69.9 66.9 59.0 54.3 54.0 73.1 8133 59.9 56.9 42.8 42.4 59.6 65.8 56.3 43.3 57.4 45.3 80.1 49.7 56.1 67.2 70.7 61.,4 64.0 64.2 72.6 72.5 46.1 53.1 51.1 73.8 42.6 77.4 77.3 39.3 76.4 59.3 54.7 57.1 59.6 66.1 31.6 614 73.1 77.3 485 89.8 50.7 52.0

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