This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: The process of analyzing sample data to draw conclusions about the characteristics of a population ... (Read 77 times)

AEWBW

  • Hero Member
  • *****
  • Posts: 579
on: Aug 1, 2018
The process of analyzing sample data to draw conclusions about the characteristics of a population is called _____.
 a. descriptive statistics
  b. statistical inference
  c. data analysis
  d. data summarization

Question 2

An engineer for an electric fencing company is interested in the mean length of wires being cut automatically by machine. The desired length of the wires is 12 feet. It is known that the standard deviation in the cutting length is 0.15 feet. Suppose the engineer decided to estimate the mean length to within 0.025 with 99 confidence. What sample size would be needed?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

samiel-sayed

  • Sr. Member
  • ****
  • Posts: 337
Reply #1 on: Aug 1, 2018
Answer to Question 1

b

Answer to Question 2

n = 240 (using z = 2.58)


AEWBW

  • Member
  • Posts: 579
Reply 2 on: Aug 1, 2018
Thanks for the timely response, appreciate it

tuate

  • Member
  • Posts: 332
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

Approximately 25% of all reported medication errors result from some kind of name confusion.

Coronoid process Coronoid process
Testing the Chemical Characteristics of Urine with Reagent Strips Testing the Chemical Characteristics of Urine with Reagent Strips
Distribution of Thunderstorms: Detailed data on cloud-to-ground lightning flashes have been ... Distribution of Thunderstorms: Detailed data on cloud-to-ground lightning flashes have been ...
Population Forecasting Population Forecasting
Chi-Square Analysis of Mendel’s Trihybrid-Cross Data Chi-Square Analysis of Mendel’s Trihybrid-Cross Data
The Hfr chromosome time-of-entry map is assembled from the recombinant data The Hfr chromosome time-of-entry map is assembled from the recombinant data
Video: How do the different types of chromatography work? (No Audio)

For a complete list of videos, visit our video library