Hypothesis test to find processes which reduced wait time

Assignment Help Basic Statistics

Reference no: EM1312011

Q1) New director of special programs in XYZ Corporation felt customers were waiting too long to get and complete forms required to enrol in special programs. After gathering some data, Ms. Jones found out mean wait time was 28 minutes. She thought this time period was too much and she instituted new measures to streamline process. 1 month later, sample of 127 customers was chosen. Mean wait time recorded was 26.9 minutes and the standard deviation of sampling was 8 minutes. By using.02 level of significance, carry out a 5-step hypothesis testing procedure to find out if new processes considerably reduced the wait time.

Reference no: EM1312011

Questions Cloud

The putty-block system compress the spring : A 378 N, uniform, 1.56 m bar is suspended horizontally by two vertical cables at each end. Cable A can support a maximum tension of 502.0 N without breaking, and cable B can support up to 397.0N. You want to place a small weight on this bar. What is ..

Calculate the monthly break-even volume : For a monthly volume of 300 tables, determine the total cost, total revenue, and profit and calculate the monthly break-even volume for the Willow Furniture Company.

One-way anova and post-hoc test using spss : In this paragraph, be sure to make it clear how you handled the issue of conducting three planned comparisons. Also provide the ANOVA summary table for these results.

Variability of demand seem to have on buffer stock : Illustrate what is the annual cost for chocolate syrup buffer stocks. Illustrate what impact does the variability of demand seem to have on buffer stock.

Hypothesis test to find processes which reduced wait time : By using.02 level of significance, carry out a 5-step hypothesis testing procedure to find out if new processes considerably reduced the wait time.

Find out the magnitude of the acceleration of the boy : A spider of mass m is sitting in a perfectly symmetric web (in a vertical plane with 45 angles between the web lines), where Ti's denote the tensions along the lines that are connected to the spider at the center with i = 1, 2, 3, 4, 5, 6, 7, 8. The ..

Find the expected return and the standard deviation : Calculation of variance and standard deviation - Find the expected return and the standard deviation of the return on Kate's investment?

Worst board of directors founder steve jobs : In 2002 business week listed apple Calculator as having one of the worst board of directors: founder Steve jobs owns just 2 shares in the company.

How much work is completed by the ball : A 170, 35.0 cm-diameter turntables rotate on frictionless bearings at 53.0. A 20.0 block sits at the center of turntable. A compressed spring shoots the block completely outward along a frictionless groove in the surface of the turntable.

User Account

All Pages