Can you help me on this table - Can u help me on this review#16 ?

Question

Can you help me on this table please!!!! can u help me answer this for review#16 ?

states in the fall of 1998

show some work please

help me answer this

state---------- number of public secondary schools

Florida------------------456

Georgia----------------306

Maine-------------------160

Massachusetts------363

North Carolina-------376

New york--------------935

Rhode Island---------54

Virginia-----------------349

1) 1) Find the mean, median,model, and standard deviation of the data. round to the nearest hundredth, if necessary

2) Determine weather the data in the table appears to be positively skewed, or normally distributed. Explain

3) the time a group of high school students arrive home from school each day was found to be normally distributed. the mean time was 3:15 PM and the time has a standard deviation for 15 minutes. What is the probability that a student chosen at random arrives home from school before 2:30 PM?

Answer 1

1)  & 2)

state number of public secondary schools

Rhode Island54

Maine160

Georgia306

Virginia349

Massachusetts363

North Carolina376

Florida456

New york935

Excel Descriptive Statistics

Mean374.875

Standard Error 92.09941009

Median 356

Mode  #N/A

Standard Deviation 260.4964697

Sample Variance 67858.41071

Kurtosis 3.38199088

Skewness1.432737734

Range 881

Sum  2999

Count 8