Test 1B Math 1P98 October 12 2007

# Test 1B Math 1P98 October 12 2007 - Data 42 35 28 21 14 7-7...

This preview shows pages 1–2. Sign up to view the full content.

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Data 42 35 28 21 14 7-7 a b c d dol ars Frequency 2500 2000 1500 1000 18 16 14 12 10 8 6 4 2 5 17 16 12 Histogram of prices, dollars Test 1B Math 1P98 October 12 2007 Time 1 hour. Name Box number .. Use at least 3 significant digits in all answers. A handwritten half piece of yellow paper and a calculator with a maximum of two lines of display are the only items allowed for the test. Plan your time well. Show proper format. Good Luck! .. 1 . (2 marks) Consider the lengths of time five customers in a computer store have owned their present computer, years: 4.1, 5.3, 3.7, 4.5, 3.8 Use short cut key on your calculator find that the mean age of their computers is .years and the standard deviation of the computer age is ....years 2 . (4 marks) Draw a labeled boxplot of the number of computers in a household using the sample data, 1, 1, 1, 2, 2, 3, 3, 3, 3, 5, 5, 7. 3. (3 marks) The histogram shows the prices of computers purchased by a sample of 50 customers....
View Full Document

## Test 1B Math 1P98 October 12 2007 - Data 42 35 28 21 14 7-7...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online