A researcher is interested in examining whether self-affirming oneself leads to increases in happiness scores. The researcher has a sample of 15 Grade 8 students spend 5 minutes each morning and evening repeating a series of positive statements to themselves in a mirror while looking right into their own eyes. After 30 days of doing this task, the researcher asks the subjects to rate their level of happiness on an interval scale of 1-10, where higher scores represent higher levels of happiness. Below are the data in Figure 1. SECTION I: Using the data from this histogram, a. Construct a frequency table b. Calculate all measures of central tendency using the raw data c. Calculate all measures of variability using the raw data d. Describe the shape of this distribution in the above histogram? e. Given the shape and type of data, which measure of central tendency would you be more likely to report? Why?
A researcher is interested in examining whether self-affirming oneself leads to increases in happiness scores. The researcher has a sample of 15 Grade 8 students spend 5 minutes each morning and evening repeating a series of positive statements to themselves in a mirror while looking right into their own eyes. After 30 days of doing this task, the researcher asks the subjects to rate their level of happiness on an interval scale of 1-10, where higher scores represent higher levels of happiness. Below are the data in Figure 1.
SECTION I: Using the data from this histogram, a. Construct a frequency table b. Calculate all measures of
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