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Identify and list categorical and continuous variables.

PH 520 West Coast University Week 4 Categorical and Continuous Variables Statistics Project

Week 4 Database

With this database, you will:

Identify and list categorical and continuous variables.

alculate frequencies and percentages for all of the categorical variables, and means, and standard deviations for the continuous variables.

Run a one-sample z test of proportions for one categorical variable. Here is an example in terms of wording: “Is the proportion of English speaking patients greater than 50%?” Using .05 level of significant test the appropriate hypotheses.

Write the null and alternate hypotheses

What is the proportion of English speaking patients

What is the standard error and z statistics

Find critical z and p value. Is the p value significant? Conclusion?

Run an independent samples t-test to compare two groups of people (specified by a dichotomous variable) on one continuous variable. Using .05 level of significant test the appropriate hypotheses. In order to run this test statistics you have to re-arrange your data.

Write the null and alternate hypotheses.

What is the calculated mean for each group?

What is the confidence interval for each group?

What is the critical t value?

Is the p value significant? Conclusion?

ID AA-31 AD-29 AF-02 AG-25 AG-45 AM-01 BS-52 CC-63 CK-42 CN-18 CR-03 DC-09 DH-33 EG-24 EG-46 EK-34 EM-51 FA-50 FP-04 GC-05 GK-11 GV-23 HC-10 HK-12 HL-17 HL-55 IH-54 JB-47 JC-22 JC-39 JJ-49 JK-13 JK-36 JMC-56 KC-59 KK-14 KK-35 KL-57 KP-64 KS-20 LC-06 MG-30 ML-41 MP-48 MR-32 MW-67 Age 74.00 73.00 77.00 72.00 66.00 76.00 72.00 77.00 75.00 79.00 71.00 71.00 66.00 67.00 79.00 66.00 71.00 78.00 67.00 67.00 84.00 88.00 79.00 86.00 81.00 72.00 77.00 82.00 86.00 73.00 76.00 81.00 75.00 73.00 78.00 81.00 83.00 71.00 72.00 66.00 67.00 68.00 72.00 70.00 63.00 73.00 Language Fracture Number of Meds Ability 1.00 0 1.00 1.00 0 0.00 1.00 0 3.00 1.00 0 5.00 1.00 0 0.00 1.00 0 3.00 1.00 0 1.00 2.00 0 10.00 2.00 1 7.00 2.00 1 4.00 1.00 0 3.00 2.00 0 2.00 1.00 0 0.00 1.00 0 0.00 1.00 0 0.00 2.00 0 4.00 1.00 0 0.00 1.00 1 6.00 1.00 0 0.00 1.00 1 2.00 2.00 0 8.00 1.00 0 1.00 2.00 0 7.00 2.00 0 4.00 2.00 0 1.00 2.00 0 3.00 2.00 1 0.00 1.00 0 0.00 1.00 0 0.00 2.00 0 1.00 1.00 0 0.00 2.00 0 5.00 2.00 0 1.00 2.00 0 0.00 2.00 1 5.00 2.00 0 3.00 2.00 0 4.00 2.00 0 18.00 2.00 1 9.00 2.00 0 3.00 1.00 0 4.00 1.00 0 0.00 2.00 0 5.00 1.00 0 6.00 1.00 0 0.00 2.00 0 1.00 1 1 2 1 1 1 1 2 3 1 2 2 1 1 1 1 1 1 1 1 3 3 1 1 3 1 1 3 3 2 1 3 1 1 2 3 3 2 3 2 1 1 1 1 1 1 Smoke status 1 1 2 1 1 1 1 2 1 1 2 2 1 1 1 1 1 1 1 1 2 2 1 1 2 1 1 2 2 2 1 2 1 1 2 1 1 2 1 2 1 1 1 1 1 1 OY-65 RG-07 RG-26 RO-53 RP-28 RR-27 SHC-58 SIC-62 SJ-08 SJ-43 SK-15 SKC-61 SWK-66 TP-19 WC-40 YJK-37 YK-16 YK-60 YL-68 YYK-38 71.00 87.00 75.00 71.00 84.00 68.00 74.00 70.00 63.00 71.00 79.00 71.00 79.00 81.00 84.00 75.00 89.00 79.00 69.00 71.00 2.00 1.00 1.00 1.00 1.00 1.00 2.00 2.00 1.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 0 0 0 0 1 0 0 0 0 0 0 0 0 1 1 0 0 1 0 0 0.00 0.00 5.00 1.00 0.00 0.00 14.00 4.00 5.00 4.00 6.00 6.00 9.00 3.00 5.00 7.00 3.00 0.00 0.00 4.00 2 3 1 1 3 1 1 2 2 2 1 2 2 1 1 1 3 2 1 1 2 2 1 1 2 1 1 2 2 2 1 2 2 1 1 1 2 2 1 1

 

Name ID Age Language Fracture Number of Meds Ability Smoke status Description Participant ID number Age in years Preferred language Fractured hip, leg, arm, or spine Number of medications used regularly Ability to take care of own personal needs Past Smoke history Answers Actual age 1= English 2= Spanish 0= No, 1= Yes Total number of meds 1= can do, 2= can do with some difficulty, 3= can not do without help 1= nonsmoker 2=smoker

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