Assignment 5 on Chapter 4

choose correct ans please

State and describe some possible causes of assignable variation ?

Failing to identify a hypothesized difference using a sample result when a difference really does exist in the population is a ____ error.   options are    primary secondary type I Type II

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’cause-effect graphing’ which was sometimes used to help derive the decision table

What are similarities of Interrupted Time Series and Regression Discontinuity? What are some differences?

In 800 words, What is non probability sampling and explain the types of the sample

List down 8 questionnaire related to Kia picanto Car?

A survey of 40 retail store reported the following amount of sales (in thousand) held in the month of September. Number of Sales Frequency 10-14 3 15-19 5 20-24 12 25-29 9 30-34 8 35-39 3 What is the standard deviation? What is the sample variance?

In a p-chart, the upper control limit is how many estimated standard deviations abovethe average p-bar?a. 1b. 2c. 3d. 6

If every 13th item is systematically sampled to produce a sample size of 72 items, approximately how large is the population?

state the effect on planned evidence (increase or decrease) of changing each of 'AN INCREASE IN PLANNED DETECTION RISK' factor, while the other factors remain unchanged.

How can I interpret or analyze the Pareto chart attached

b) The data in Table 4(b) shows the number of nonconforming ties in a sample of size 500, following 100% inspection, over 20 days; Number of Day Nonconformities 1 13 10 25 4 12 12 6. 9 7 11 8. 13 9. 11 10 16 11 13 12 10 13 14 14 15 15 10 16 17 17 18 12 19 12 20 13 Table 4(b) Page 6 of 8 i. Calculate the UCL and LCL for this data ii. Plot a fraction non-conforming control chart for the data. If there are any points that plot outside of the control limits, assume assignable causes can be found and recalculate the limits. ii.

What is Average outgoing quality (AOQ)?