Mean-standard deviation and z score

Assignment Help Basic Statistics
Reference no: EM1319517

1. Listed below are intervals (in minutes) between eruptions of the Old Faithful geyser in Yellowstone National Park. After each eruption, the National Park Service probides an estimate of the length of time to the next eruption. From the sample data below, find the mean and standard deviation for the time between eruptions.

98, 92, 95, 87, 96, 90, 65, 92, 95, 93, 98, 94

2. Stanford Binet IQ scores have a mean of 100 and a standard deviation of 15. Albert Einstein reportedly had an IQ of 160. Convert Einstein's IQ score to a z score.

 

Reference no: EM1319517

Questions Cloud

Designing the class diagram : Instructors are allocated to one (or more) departments. One instructor also serves a department chair. Design a detailed class diagram in order to represent the above information.
Ambitious performance standards : According to expectancy theory, Elias could improve employee performance by setting more ambitious performance standards that exceed the ability of most employees to attain them
Discuss the labour relations process : Define and discuss the labour relations process. Define job security. How has job security changed in the given economic recession?
Explaining probability distribution of data : Explain probability distribution of X (name and parameters).
Mean-standard deviation and z score : Stanford Binet IQ scores have a mean of 100 and a standard deviation of 15. Albert Einstein reportedly had an IQ of 160. Convert Einstein's IQ score to a z score.
System analysis and design : In the System Analysis and Design: Design Patterns – How widely used are design patterns in today’s development environments.
Expected inflation in canada also in the united states : Using the Fisher equation Illustrate what can you infer about expected inflation in Canada also in the United State.
Ethernet mac address : Specify the size of Ethernet MAC addresses. State the Ethernet MAC broadcast address. Explain the format of the Ethernet frame?
Software implementation project : You are working with them on a software implementation project that will add barcode functionality to their current patient record system/custom-designed sleep-study software.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Probability-randomly selected letters

Find out the probbility that exactly five arrive within two days?

  Hypothesis for the difference among the two means

Elucidate the null and alternative hypothesis for the difference among the two means. In testing the difference between the means of two.

  Computing probability having sample mean

Calculate probability that the sample would have a mean:

  Sample size for finding the population proportion

Supposing that the entire $10,000 can be spent on tires (ignoring other costs), and that the true fraction that will fail is approximately .05, can NHTSA attain its goal while staying within the budget? Describe.

  Conduct an analysis of variance

Conduct an analysis of variance

  What should the average weight be if the production manager

The weight of a product is normally distributed with a standard deviation of .5 ounces. What should the average weight be if the production manager wants no more than 5 percent of the products to weight more than 5.10 ounces.

  Determining mean amount spent on insurance

Assume then money spent is uniformly distributed between these amounts. Determine the mean amount spent on insurance?

  Revealing sample information

A study regarding the relationship between age and the amount of pressure sales personnel feel in relation to their jobs revealed the following sample information.

  Calculating confidence interval

Calculate a 95% confidence interval for the population mean, based on the sample 10, 12, 13, 14, 15, 16, and 49.

  Operating characteristics of the system

Find out the operating characteristics for this system.

  Computing probability values using discrete distribution

What is the probability that a particular driver had exactly two speeding violations?

  Research question development

Develop the management-research question hierarchy that   will help you to develop a specific proposal.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd