Consider observed data from a random sample of 390 neurons in an investigation of effect of nutritional level on brain cell growth. Test if brain cell growth is independent of nutrition levels at α= 0.05.   Observed Data Poor Adequate Excellent Slow 70 95 35 Normal 90 30 70 a. At the 0.05 level of significance, the data provides sufficient evidence to conclude that cell growth is independent of nutrition. b. At the 0.05 level of significance, the data provides sufficient evidence to conclude that cell growth is equal to the nutrition. c. At the 0.05 level of significance, the data provides sufficient evidence to conclude that cell growth is dependent of nutrition. d. At the 0.05 level of significance, the data provides insufficient evidence to conclude that cell growth is dependent of nutrition.

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