Finding number of traffic accidents after modification

Assignment Help Basic Statistics

Reference no: EM1311940

Q1) Number of minor automobile accidents happen at different high-risk intersections in Teton County despite traffic lights. Traffic Department claims that modification in type of light will decrease these accidents. County commissioners have agreed to proposed experiment. Eight intersections were selected at random, and lights at those intersections were customized. Numbers of minor accidents in a 6-month period before and after modifications were:

Â	Number of Accidents
Â	A	B	C	D	E	F	G	H
Before modification	5	7	6	4	8	9	8	10
After modification	3	7	7	0	4	6	8	2

At.01 significance level is it sensible to conclude that modification decreased the number of traffic accidents?

Reference no: EM1311940

Questions Cloud

Obtaining the simple linear regression equation : Obtain the simple linear regression equation, then analyze the residuals by (a) constructing a histogram

Calculation of quantitative analysis : Calculation of quantitative analysis to support recommendations and Would your answer differ if the cost of the containers were the same

The winner is the bidder whose valuation is the highest : If there are multiple highest bids, then the winner is the bidder whose valuation is the highest or whose index is the smallest among the highest bidders.

Calculate cournot nash equilibrium : Suppose two identical firms produce widgets and they are the only firms in the market. Find the Cournot-Nash equilibrium.

Finding number of traffic accidents after modification : At.01 significance level is it sensible to conclude that modification decreased the number of traffic accidents?

What will be the acceleration of c : A wooden rod of negligible mass and length 82.2 is pivoted about a horizontal axis through its center. A white rat with mass 0.440 clings to one end of the stick, and the mouse with mass 0.220 clings to the other end. The system is released from rest..

Evaluate of company''s net operating income : Determine of company's net operating income and quantitative accounting analysis.

What do economists call the percentage change in real gdp : Illustrate what do economists call the percentage change in real GDP from year to the next. Under a business agreement 70/30 why should the 70% shareholder decision carry all day.

What will the new water temperature be : An osprey's call is a distinct whistle at 2200 Hz. An osprey calls whereas diving at you, to drive you away from her nest. You hear call at 2220 Hz. How fast is the osprey approaching.

User Account

All Pages