Friday
March 27, 2015

Homework Help: math check and help

Posted by Tom 81 on Saturday, June 15, 2013 at 11:37pm.

A random sample of the amount paid (in dollars) for taxi fare from downtown to the airport was obtained. (Give your answers correct to two decimal places.)

16 17 22 13 21 23 22 18 13 22 19 20 19 22 16

(a) Use the data to find a point estimate for the mean.
$ 18.87 .

(b) Use the data to find a point estimate for the variance.
$ I have a problem getting variance

(c) Use the data to find a point estimate for the standard deviation.
$ I have a problem getting sd.

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Math Help - Consider the approximately normal population of heights of male ...
Math check - A random sample of size 26 is to be selected from a population that...
math check - Consider the approximately normal population of heights of male ...
math check - The amount of fill (weight of contents) put into a glass jar of ...
math help - Consider the approximately normal population of heights of male ...
statistics check - Consider the following bivariate data. Point A B C D E F G H ...
Math - Consider the approximately normal population of heights of male college ...
math - The corrosive effects of various soils on coated and uncoated steel pipe ...
math check - While writing an article on the high cost of college education, a ...
math - Consider the following bivariate data. Point A B C D E F G H I J x 3 4 2 ...

Members