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

  Mean and standard deviation for frequency distribution

Graph the distribution using a histogram. Calculate the mean and standard deviation.

  Determination software issues

At.05 significance level is it reasonable to conclude that it takes longer to determination software issues? Determine the p-value?

  Percent of the observations

About what percent of the observations lie between 55 and 65?

  Significant difference-one way anova

In a bumper test, three types of autos were deliberately crashed into a barrier at 5 mph, and the resulting damage (in dollars) was estimated. Five test vehicles of each type were crashed, with the results shown below.  Research question:  Are the ..

  Standard deviation of the average or median

Once again, suppose that the standard deviation of the average or median is $5.00. Which is the probability that the average or median of the sample is greater than $22.50 but less than $25.00?

  Determining margin of error for confidence interval

Determine margin of error for confidence interval in (a)?

  Probability based on geometric distribution

Follow the conventions as described in the general guidelines for writing up Special Problems.

  Following of the normal distribution

The number of passengers on the Carnival Sensation during one-week cruises in the Caribbean follows the normal distribution.

  Claim-two proportion z test

If statistically significant, do you think the difference is large enough to be important?

  Plan the scatter diagram

Plan the scatter diagram

  Probability to estimate the population proportion

Use the study to estimate the risk of an air bag fatality on a child seated on the front passenger seat.

  Explaining two-tailed two-sample and chi-square

As it is a 2 _ 2 table, try also two-tailed two-sample z test for ð1 = ð2 and verify that z2 is same as your chi-square statistic. Which test do you favour? Describe why?

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