Will give brainliest Consider the following data set: 2 3 5 7 8 10 12 15 20 31. According to the 1.5(IQR) rule, 31 is not an outlier,
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The anwser cause i do not understand just plez

Astudy claims that the mean age of online dating service users is 40 years. some researchers think this is not accurate and want to show that the mean age is not 40 years. identify the null hypothesis, h0, and the alternative hypothesis, ha, in terms of the parameter μ. select the correct answer below: h0: μ≥40; ha: μ< 40 h0: μ≤40; ha: μ> 40 h0: μ≠40; ha: μ=40 h0: μ=40; ha: μ≠40

Which is an example of using the distributive property to multiply -5x^3(3x^2+3x-1) ?