The buena school district bus data

Assignment Help Basic Statistics

Reference no: EM131122149

Refer to the Buena School District bus data.

a. Find the median maintenance cost and the median age of the buses. Organize the data into a two-by-two contingency table, with buses above and below the median of each variable. Determine whether the age of the bus is related to the amount of the maintenance cost. Use the .05 significance level.

b. Is there a relationship between the maintenance cost and the manufacturer of the bus? Use the breakdown in part (a) for the buses above and below the median mainte- nance cost and the bus manufacturers to create a contingency table. Use the .05 sig- nificance level.

c. Use statistical software and the .05 significance level to determine whether it is rea- sonable to assume that the distributions of age of the bus, maintenance cost, and miles traveled last month follow a normal distribution.

Reference no: EM131122149

Questions Cloud

What steps can you take to improve your skills : Drucker, Reich, Friedman and Rifkin's ideas of the future of work will be important in the future job market. Which of these ideas do you agree or disagree with? How do you feel one or more of these concepts will affect your future job opportunities?..

Compared with a time when interest rates are relatively low : Will call option values generally be higher at a time when interest rates are relatively high, compared with a time when interest rates are relatively low, all other things being equal?

Are employees valuable asset of the firm : A new mission statement for Best Buy (include the number of the component in parenthesis before addressing that component) Great mission statements address these 9 components: Customers: Who are the firm’s customers? Concern for public image: Is the ..

Adherence to principles of internal and external validity : You have been given the responsibility of supervising 12 MBA summer interns, hired specifically to conduct internal research for your company. You are concerned that they do not fully understand the importance of ensuring adherence to the principles ..

The buena school district bus data : a. Find the median maintenance cost and the median age of the buses. Organize the data into a two-by-two contingency table, with buses above and below the median of each variable. Determine whether the age of the bus is related to the amount of t..

Noting any specific statistical processes : Sales for your 120-store women’s clothing chain are down 42% for the last fiscal year compared to the previous year. Management is upset and wants to know what caused the serious decline. You must research the situation and offer some recommendations..

Derive an analog to the max-flow/min-cut theorem : Show how to solve this problem by first finding a feasible solution, and by then using a max-flow algorithm.

The second word aggressive or non-aggressive : (WA) Using the Weapons and Aggression data, Compute a 2x2 ANOVA with the following two factors: prime type (was the first word a weapon or not?) and word type (was the second word aggressive or non-aggressive?). Consider carefully whether the vari..

Prepare an income statement for the year ended july 31 : Prepare a statement of owner's equity for the year ended July 31. No additional investments were made during the year.

User Account

All Pages