Reference no: EM132847128
The following research focuses on 4 year graduation rate of schools from two(2) of the largest school districts in the state of Mississippi. The data have been provided as follows:
Desoto County 4 Year Grad Rate Est. Senior Enrollment
Central Hill High 90.3 250
Desoto Central High 91.5 280
Hernando High 87.2 225
Horn Lake High 67.2 240
Lake Comorant High 84.0 235
Lewisburg High 89.2 200
Olive Branch High 82.3 185
Southaven High 81.0 190
Jackson Public School 4 Year Grad Rate Est. Senior Enrollment
Bailey High 53.4 125
Callaway High 69.4 240
Forest Hill High 58.1 260
Jim Hill High 62.1 210
Lanier High 64.0 160
Murrah High 81.9 290
Provine High 57.8 235
Wingfield 46.5 250
In analyzing the 4 year graduation rates for high schools in both Desoto County School District and Jackson Public School District, discuss the following questions from the data provided (above).
a. The means of the distributions (4 year graduation rates) from both school districts.
b. The standard deviations of the distributions (4-year graduation rates) from both school districts.
c. The estimated number of students who graduated from each school in the districts
d. Is there a significant difference among the graduation rates within each of the school districts? (Use a .05 level of significance).