SPSS Homework Testing Data for Normality Template

PSYC 354 S TEPHANIE G EORGE SPSS H OMEWORK : T ESTING D ATA FOR N ORMALITY T EMPLATE Problem Set 1: 1. For the “EATING_DRINKING” variable, using the “Explore” command, test the data for normality (as shown in the SPSS tutorial) by performing the following steps: a. Create a table of descriptive statistics for this variable. Paste the table here: (6 pts) Descriptives Statistic Std. Error EATING_DRINKIN G Mean 66.81 2.038 95% Confidence Interval for Mean Lower Bound 62.81 Upper Bound 70.81 5% Trimmed Mean 63.43 Median 60.00 Variance 2075.729 Std. Deviation 45.560 Minimum 0 Maximum 285 Range 285 Interquartile Range 60 Skewness 1.291 .109 Kurtosis 2.617 .218 b. Run a Kolomogorov-Smirnov/ Shapiro-Wilks test for this variable. Paste the table here: (6 pts) 2. Tests of Normality Kolmogorov-Smirnov a Shapiro-Wilk

PSYC 354 Statistic df Sig. Statistic df Sig. EATING_DRINKIN G .133 500 <.001 .914 500 <.001 a. Lilliefors Significance Correction a. Create a “Normal Q-Q plot” for this variable. Paste the table here: (6 pts) 3. Create a histogram for the “EATING_DRINKING” variable. Paste the histogram here: (6 pts)

PSYC 354 Statistic Std. Error SLEEPIN G Mean 557.36 6.119 95% Confidence Interval for Mean Lower Bound 545.33 Upper Bound 569.38 5% Trimmed Mean 556.27 Median 555.00 Variance 18719.821 Std. Deviation 136.820 Minimum 0 Maximum 1120 Range 1120 Interquartile Range 150 Skewness .059 .109 Kurtosis 1.796 .218 b. Run a Kolomogorov-Smirnov/ Shapiro-Wilks test for this variable. Paste the table here: (6 pts) Tests of Normality Kolmogorov-Smirnov a Shapiro-Wilk Statistic df Sig. Statistic df Sig. SLEEPIN G .064 500 <.001 .980 500 <.001 a. Lilliefors Significance Correction c. Create a “Normal Q-Q plot” for this variable. Paste the table here: (6 pts)

PSYC 354 2. Create a histogram for the “SLEEPING” variable. Paste the histogram here: (6 pts)