Suppose the data represent the inches of rainfall in April for a certain city over the course of 20 years. 0.53 4.79 D 2.18 2.42 2.57 2.89 3.37 3.66 3.88 4.09 0.76 5.04 5.36 5.79 6.08 Given the quartiles Q, = 2.020, Q2 = 3.280, and Q3 = 4.640, compute the interquartile range, IQR. 1.23 1.37 1.86 3.19 4.49 IQR = (Round to three decimal places as needed.)

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A: given that, sample size (n)= 30 μ=3 x¯=2.478 s=1.616 S.E =0.295

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A: The test hypotheses are shown below:Null hypothesis:H0: μ = 240.Alternative hypothesis:H1: μ ≠ 240.

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Q: Many consumers pay careful attention to stated nutritional contents on packaged foods when making…

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