Math

Suppose you did a survey of male shoes size and the mean of that survey was size 10 with a standard deviation of 1.5. What is the z-score of a size of 7.5?

  1. 👍 0
  2. 👎 0
  3. 👁 516
  1. Z = (score-mean)/SD

    Insert the values and calculate.

    1. 👍 0
    2. 👎 2

Respond to this Question

First Name

Your Response

Similar Questions

  1. Math

    In a survey of 300 college graduates, 58% reported that they entered a profession closely related to their college major. If 6 of those survey subjects are randomly selected without replacement for a follow-up survey, what is the

    asked by Hannah on March 16, 2015
  2. MATH

    A pollster wants to minimize the effect the order of the questions has on a person's response to a survey. How many different surveys are required to cover all possible arrangements if there are 5 questions on the survey?

    asked by MARIE on November 1, 2009
  3. statistics

    As a manager for an advertising company, you must plan a campaign designed to increase Twitter usage. A recent survey suggests that 85% of adults know what Twitter is. How many adults should you survey in order to be 90% confident

    asked by e on November 13, 2016
  4. Statistics Emergency please

    People end up tossing 12% of what they buy at the grocery store (Reader's Digest, March 2009). Assume this is the true population proportion and that you plan to take a sample survey of 540 grocery shoppers to further investigate

    asked by Vanessa on April 17, 2014
  1. Math Help Please? c: Thank you :3

    At your summer job with a research company, you must get a random sample of people from your town to answer a question about spending habits. Which of the following methods is most likely to be random? A) You survey customers at

    asked by X3 ISayRawr on April 10, 2014
  2. Astronomy

    Imagine that you are an astronomer, and you are planning to do a survey to find new brown-dwarf stars. You need to calculate how sensitive your search needs to be (and hence how big a telescope you will need and how long the

    asked by qwerty on May 11, 2014
  3. marketing

    Binomial probability distributions are used in business, science, engineering, and other fields. Suppose you work for a marketing agency and have to create a television ad for Brand A toothpaste. The toothpaste manufacturer claims

    asked by Mark on September 27, 2012
  4. Statistics

    A class survey in a large class for first-year college students asked, "About how many minutes do you study on a typical weeknight?" The mean response of the 463 students was x = 118 minutes. Suppose that we know that the study

    asked by Ray on February 25, 2014
  1. Statistics

    In a survey of 80 high school football players who committed to play in the Division III CCIW conference, 64 said that they would work out in their high school weight rooms in the summer before college. The margin of error for the

    asked by Amy on September 12, 2014
  2. Algebra 2

    Suppose you did a survey of male shoes size and the mean of that survey was size 10 with a standard deviation of 1.5. What is the z-score of a size of 7.5?

    asked by Adam on June 7, 2011
  3. Psychology

    You ave decided to conduct a survey on whether a given political candidate will be popular with Latino voters.What is an advantage of the survey method?What is a disadvantage of the survey method?

    asked by Gwendolyn Towns on October 28, 2010
  4. Mathematics

    Jon is working on a city councilperson’s election campaign. He wants to survey potential voters about their opinions. Which is the best way for him to gather a sample? Attend a speech given by the councilman and survey audience

    asked by Queen/Halle on April 13, 2016

You can view more similar questions or ask a new question.