Question

Use JASP to compute the following measures of central tendency and variability and write those statistical results at the top of your assignment submission. Do not paste the JASP results table into your answer document. Mean Median Mode Range Standard deviation Explain which scale of measurement (nominal, ordinal, interval, or ratio) is used to measure the variable. Use the relative positions of the mean, median, and mode to identify the shape of the distribution (positive skew, negative skew, or normal distribution). Explain what the shape of this distribution tells you about the characteristic or behavior of the sample. Imagine you had one score that was an extremely high outlier. Explain how each measure (mean, median, mode, range, and standard deviation) would increase, decrease, or stay the same. Conclude by writing a 1- or 2-paragraph summary that “tells the story of the data” as instructed in the Descriptive Statistics section of the Writing Statistical Results and InterpretationsLinks to an external site. Learning Resource.

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Answer to a math question Use JASP to compute the following measures of central tendency and variability and write those statistical results at the top of your assignment submission. Do not paste the JASP results table into your answer document. Mean Median Mode Range Standard deviation Explain which scale of measurement (nominal, ordinal, interval, or ratio) is used to measure the variable. Use the relative positions of the mean, median, and mode to identify the shape of the distribution (positive skew, negative skew, or normal distribution). Explain what the shape of this distribution tells you about the characteristic or behavior of the sample. Imagine you had one score that was an extremely high outlier. Explain how each measure (mean, median, mode, range, and standard deviation) would increase, decrease, or stay the same. Conclude by writing a 1- or 2-paragraph summary that “tells the story of the data” as instructed in the Descriptive Statistics section of the Writing Statistical Results and InterpretationsLinks to an external site. Learning Resource.

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✅ Step-by-Step Instructions for JASP

1. Open JASP and load your dataset (e.g., a CSV or Excel file).

2. Go to Descriptives:

Click "Descriptives" from the top menu.

Move your variable(s) of interest to the "Variables" box.

3. In the right panel:

Under Statistics, check the boxes for:

Mean

Median

Mode (under "Additional Statistics")

Range

Standard Deviation

4. Copy the values (not the table) into your answer document.

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✍️ Example of How to Write Your Results (Assuming Your Data)

> Statistical Results

Mean = 23.4

Median = 22

Mode = 21

Range = 15

Standard Deviation = 4.2

The variable is measured on a ratio scale, as it has a true zero point and equal intervals (e.g., age, income, weight).

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ℹ️ How to Determine Scale of Measurement

Scale Characteristics Examples

Nominal Categories with no order Gender, eye color

Ordinal Categories with a meaningful order but unequal intervals Class rank, satisfaction level

Interval Ordered, equal intervals, but no true zero Temperature in Celsius

Ratio Ordered, equal intervals, true zero exists Height, weight, income, age

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