The MEAN is the measure of central tendency reported in the following table. What tells us the MEDIAN or the MODE is not reported in the table?

Pretreatment, Post-treatment, and Follow-up Symptoms by Condition

Measure Treatment Control

Pretreatment Post-treatment Follow-up Pretreatment Post-treatment Follow-up

M (SD) M (SD) M (SD) M (SD) M (SD) M (SD)

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Stress 28.77 (6.12) 22.98 (9.64) 21.77 (9.87) 28.04 (6.15) 23.84 (9.18) 23.57 (9.20)

Anxiety 21.11 (9.26) 15.82 (10.81) 15.98 (10.46) 19.84 (9.34) 15.60 (10.17) 15.63 (10.14)

Depression 25.83 (10.34) 19.90 (12.32) 19.86 (12.08) 24.31 (10.65) 20.80 (11.98) 20.71 (11.79)

Note. N = 585. Stress, Anxiety, and Depression scores had a possible range of 0-42.