Exhibit 13.8 A market researcher is studying the spending habits of people across age groups.The amount of money spent by each individual is classified by spending category (Dining out,Shopping or Electronics) and generation (Gen-X,Gen-Y,Gen-Z or Baby Boomers) .The data and an incomplete ANOVA table are shown below. 
Refer to Exhibit 13.8.For the interaction,the value of the test statistic is:
Definitions:
Nocturia
Excessive nighttime urination.
Chronic Urine Retention
A medical condition characterized by the inability to completely empty the bladder.
Laying On Of Hands
A practice, often found in religious or healing contexts, where individuals place their hands on another person with the intention of transferring energy, comfort, or healing.
Medical History
A record of a patient's health information, including past illnesses, surgeries, and family disease history, used for medical decision-making.
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