Question

In: Statistics and Probability

Homelessness and Illegal Substance Use Illegal Drug Use No Use Homeless 957 1248 Not Homeless 2626...

Homelessness and Illegal Substance Use

Illegal Drug Use

No Use

Homeless

957

1248

Not Homeless

2626

97203

For questions 1 and 2, your calculator will produce large numbers. To obtain instructions on how to interpret exponential output from a calculator, view this information sheet:

https://nnlm.gov/sites/default/files/nto/files/TOXNET/whatdoesEmeancalculator.pdf (Links to an external site.)Links to an external site.

  1. Compute the chi-square. List the numerator (it is 21 digits long!).
  2. List the denominator (it is 17 digits long!).

Solutions

Expert Solution

Expected values calcuation

Chi square value calcuation

chi-stat = 10583.84
df = 1
pvalue = 0.00000

Ho: Homelessness and illegal substance use are independent of each other
H1: Homelessness and illegal substance use are not independent of each other

Since the pvalue is less than 0.05, we reject the null hypothesis and conclude that Homelessness and illegal substance use are not independent of each other


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