The table below shows a distribution and the observed frequencies of the values of a variable from a simple random sample of a population. Perform a chi-square goodness-of-fit test, at the specified significance level, to decide whether the distribution of the variable differs from the given distribution. Distribution: 0.2 0.2 0.1 0.2 0.3 Observed freq: 37 15 12 23 43 significance level=0.05