### Finding the range and median

Assignment Help Basic Statistics
##### Reference no: EM1322876

Q1) point averages(GPA) for 12 randomly chosen college students are shown on right. Suppose population is normally distributed.

 2.4 3.5 2.9 1.9 0.8 4 2.3 1.5 3.7 0.2 2.2 3.2

i) Determine the sample mean.

ii) Determine the sample standard deviation

ii) Create a 95% confidence interval for population mean µ.

95% confidence interval for population mean is

Q2) Using data table given below, find out the range and median?

 \$110 \$200 \$190 \$175 \$120 \$120 \$190 \$100 \$180 \$100 \$170 \$145 \$95 \$185 \$100 \$210 \$135 \$195 \$240 \$120

a) \$95 to \$210

b) \$145

c) \$95

d) \$115

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