Math Assignment | College Homework Help

These weekly exercises provide the opportunity for you to understand and apply statistical methods and analysis.

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#1 Given the following values of the mean and median, state the likely shape of the distribution:(a) mean = 4, median = 4               _______________(b) mean = 12, median = 2              _______________(c) mean = 8, median = 18              _______________(d) mean = 6, median = 14              _______________(e) mean = 10, median = 3              _______________(f) mean = 8, median = 8                _______________

#2.  IQ scores have a mean of 100 and a standard deviation of 15. What percentile corresponds to an IQ score of 115? Explain the steps you took to find the percentile.

#3.  Which measure of central tendency would you use for the following variables (mean, median or mode). Explain your choice.Gender: _______________________________________________________Class rank at a college: __________________________________________________Age of high school students: ________________________________________A skewed income distribution (90% with incomes under $150K; a few with incomes of several million): ____________________________________________________Use SPSS and the data file found in syllabus resources (DATA540.SAV) to answer the following questions.  Round your answers to the nearest dollar, percentage point, or whole number. College Homework Help   

#4.  What is the mean annual income (INC1) of the participants?

  1. $43,282
  2. $72,133
  3. $47,113
  4. $34,282

#5.  What percent of the participants are married (RELAT)?

  1. 28%
  2. 33%
  3. 51%
  4. 59%

#6. What is the modal level of relationship happiness (HAPPY)?

  1. Mixed
  2. Happy
  3. Very Happy
  4. Cannot be determined

#7.  What is the median income of the participants’ partners (INC2)?

  1. $24,212
  2. $28,945
  3. $32,000
  4. $48,975

#8. What percent of the participants are age 51 or older?

  1. 4%
  2. 5%
  3. 7%
  4. 10% Get Mat homework help today

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