Page 197 in Davis and Cornwell gives the following data for "mean monthly discharge" (Q, in m 3 /s) for August in the Squannacook River in...

Page 197 in Davis and Cornwell gives the following data for

"mean monthly discharge" (Q, in m 3 /s) for August in the Squannacook River in Massachusetts.

A recreational facility has applied for a permit to withdraw water from the river to irrigate its

soccer fields. (a) Prepar a probability plot (lnQ vs probability). (b) Calculate the average flow

in the river. (c) How much would you recommend that the facility be allowed to withdraw

(assuming

that all of the water would evaporate rather than flowing back to the river)?

1951 1952 1953 1954 1955 1956 1957 1958 1959 1960

Q: 1.49 1.01 0.42 1.05 1.63 0.40 0.22 0.49 0.59 1.21

1961 1962 1963 1964 1965 1966 1967 1968 1969

Q: 0.80 0.69 0.24 0.25 0.20 0.18 0.72 0.61 1.03

Rank ProportionZ Value ln(Q)15% -1.644854 -1.714798210% -1.281552 -1.609438315% -1.036433 -1.514128420% -0.841621 -1.427116525% -0.67449 -1.386294630% -0.524401 -0.916291735% -0.38532...