X-bar and r chart, A Starbucks manager decides to study

X-bar and r chart

Reference no: EM1390377

Please read the following situation and provide a solution. Please post the solution in a Microsoft Word format.

A Starbucks manager decides to study waiting times of customers for service at the lunch time rush hour 1100-1200. He observes three customers to measure the time the customer enters the line to the time he or she reaches the counter. The following the information recorded over six days.

Time in Minutes

Day Customer #1 Customer #2 Customer #3

1 3.2 4.4 5.9

2 3.6 5.7 4.3

3 1.5 2.3 3.2

4 1.4 2.0 3.4

5 9.7 4.6 4.8

6 5.3 6.9 3.1

Please draw the X-bar Chart and R-chart. Explain the results.

Reference no: EM1390377

Questions Cloud

Interaction between two mutually inhibiting proteins : Think about an interaction between two mutually-inhibiting proteins with concentrations x and y, given through the differential equations.

A state department of tourism and recreation collects : A state department of tourism and recreation collects data on the number of cars with out-of-state license plates in a state park

Population of interest of the survey : According to a recent survey of 500 randomly selected residents of Popular City, it was found that 38% are in favor of raising city taxes in order to build a new stadium for the local baseball team. (a) What is the population of interest of the su..

Compute the frequencies of the genotypes in future : Compute the frequencies of the genotypes in future generations if the initial population consists of the following genotype frequencies.

X-bar and r chart : A Starbucks manager decides to study waiting times of customers for service at the lunch time rush hour 1100-1200. He observes three customers to measure the time the customer enters the line to the time he or she reaches the counter.

Three-period moving average : Weekly sales of copy paper at Cubicle Suppliers are in the table below. Forecast week 8 with a three-period moving average

Multiple choice questions - viruses : Viruses use the host cell machinery to replicate. However, some viruses replicate their genomes by a mechanism that host cell cannot support.

Probability on randomly selected phone number : The first three digits of a university telphone exchange are 452. if all the sequences of the remaining four digits are equally likely, what is the probability that a randomly selected universtiy phone number contains seven distinct digits?

Explain the levels of protein structure : Enzymes and proteins are essential to living organisms and function of a protein is dependent upon its structure. Discuss and describe the four levels of protein structure.

User Account

All Pages

X-bar and r chart

Reference no: EM1390377

Reference no: EM1390377

Questions Cloud

Reviews

Write a Review

Basic Statistics Questions & Answers

Pattern of correlation is statistically important

Mean time between failures

Confidence the mean reduction in time

How many students took the exam

Elements of inferential statistical analysis

What is the expected time until 4th failure

Prepare a probability distribution table

Calculate a weighted aggregate price index

A product is normally distributed with a mean

Hypothesis test using level for risk

Calculating the location measures and dispersion measures

Illustrate what was the lowest score earned on the exam

Assured A++ Grade

Academics

Major Subjects

Majors

Get In Touch

TERMS & POLICIES

HELP & SUPPORT