Answer:
0.5
Step-by-step explanation:
Solution:-
- The sample mean before treatment, μ1 = 46
- The sample mean after treatment, μ2 = 48
- The sample standard deviation σ = √16 = 4
- For the independent samples T-test, Cohen's d is determined by calculating the mean difference between your two groups, and then dividing the result by the pooled standard deviation.
Cohen's d = ![\frac{u2 - u1}{sd_p_o_o_l_e_d}](https://tex.z-dn.net/?f=%5Cfrac%7Bu2%20-%20u1%7D%7Bsd_p_o_o_l_e_d%7D)
- Where, the pooled standard deviation (sd_pooled) is calculated using the formula:
![sd_p_o_o_l_e_d =\sqrt{\frac{SD_1^2 +SD_2^2}{2} }](https://tex.z-dn.net/?f=sd_p_o_o_l_e_d%20%3D%5Csqrt%7B%5Cfrac%7BSD_1%5E2%20%2BSD_2%5E2%7D%7B2%7D%20%7D)
- Assuming that population standard deviation and sample standard deviation are same:
SD_1 = SD_2 = σ = 4
- Then,
![sd_p_o_o_l_e_d =\sqrt{\frac{4^2 +4^2}{2} } = 4](https://tex.z-dn.net/?f=sd_p_o_o_l_e_d%20%3D%5Csqrt%7B%5Cfrac%7B4%5E2%20%2B4%5E2%7D%7B2%7D%20%7D%20%3D%204)
- The cohen's d can now be evaliated:
Cohen's d = ![\frac{48 - 46}{4} = 0.5](https://tex.z-dn.net/?f=%5Cfrac%7B48%20-%2046%7D%7B4%7D%20%3D%200.5)
Answer:
data:image/png;base64,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
I think you have to estimate to a whole so 2 1/2 would be 3
Answer:
Some number divided by 4
Step-by-step explanation:
The y stands for an unknown number, aka some number. The slash indicates division, so it would be some number divided by 4.
Answer:
Simón arre que si cuando quieras