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1. Statistics exercise one | Statistics homework help
Assignment 4Statistics Exercise IThese weekly exercises provide the opportunity for you
to understand and apply statistical methods and analysis. All assignments MUST be typed,
double-spaced, in APA style and must be written at graduate level English, citing the text in
APA format. #1. Given the following values of the mean and median, state the likely shape of
the distribution and which measure should be used to summarize it.(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. What are two
steps to locate proportions under the normal curve?#3. The sample mean is an unbiased
estimator of the population mean. Explain this statement.Use SPSS and the provided data to
answer the following questions. Round your answers to the nearest dollar, percentage
point, or whole number. #4. What is the mean annual income (INC1) of the participants?
A.$43,282 B.$72,133 C.$47,113 D.$34,282#5. What percent of the participants are
married (RELAT)? A.28% B.33% C.51% D.59%#6. What is the modal level of relationship
happiness (HAPPY)? A.Mixed B.Happy C.Very Happy D.Cannot be determined#7. What is
the median income of the participants’ partners (INC2)?
A.$24,212 B.$28,945 C.$32,000 D.$48,975#8. What percent of the participants are age 51
or older? A.4% B.5% C.7% D.10%Assignment Outcomes:Assess the concepts underlying
appropriate use of various research methodologies Analyze how to recognize the
inappropriate or deceptive use of research methodology Compare/contrast the basic
assumptions underlying various statistical operations Summarize the consequences of
using various methodological approaches Differentiate between the appropriate and
inappropriate application and interpretation of research methods and statistics