Exploring Statistical Analysis in Psychology

What type of data is not open to interpretation?

• Quantitative data

• Qualitative data

• Inferential statistics

• Descriptive statistics

Which of the following is a qualitative data collection method?

• Surveys

• Frequency distributions

• US Census

• Histograms

Which statistical tool is used to organize data into categories?

• Histogram

• Frequency distribution table

• Pie chart

• Scatter plot

What is the purpose of inferential statistics?

• To make inferences about populations

• To predict future trends

• To calculate the mean

• To describe data

What does the median represent in a data set?

• The most frequent value

• The middle value

• The total range

• The average value

Which measure of central tendency is affected by extreme values?

• Mode

• Median

• Mean

• Range

What does a normal distribution curve look like?

• Two peaks

• Symmetrical bell-shaped

• Skewed to the right

• Skewed to the left

What does a z-score indicate?

• The deviation from the mean

• The mean of data

• The range of data

• The median of data

What does a p-value less than 0.05 indicate?

• A negative correlation

• A positive correlation

• Statistical significance

• No statistical significance

What does a correlational coefficient close to 1 indicate?

• A strong negative correlation

• A weak correlation

• No correlation

• A strong positive correlation