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don't know what formulas or steps to use to solve the problems The following are interval times (minutes) between eruptions of the Old Faithful geyser

don't know what formulas or steps to use to solve the problems

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The following are interval times (minutes) between eruptions of the Old Faithful geyser in Yellowstone National Park (based on US. National Park Service data). 81 81 86 87 89 92 93 94 95 96 97 98 98 101 101 106 a. Find the mean, median, mode. Mean: Median: Mode: b. Find the standard deviation, and variance. Round to one decimal place Standard deviation: Variance: c. Find the zscore for 92 minutes d. Find the P15 e. Find the corresponding percentile of the interval time of 97 minutes between eruptions of the Old Faithful geyser in Yellowstone National Park

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