A regular-size girls' basketball was bounced from a certain height. The following data was collected and rounded to the nearest hundredth. Time (t) Height (ft) 0.01 1.88 0.11 3.05 0.21 4.13 0.31 4.91 0.41 5.37 0.51 5.50 0.61 5.31 0.71 4.82 0.81 4.00 0.91 2.97 (a) Use regression to find a quadratic model for the data. (Round the regression parameters to two decimal places.) H =        Use the regression model to answer parts (b). (b) When will the ball first be 3.28 feet off the ground? (Round your answer to 3 decimal places.)  seconds

Listed are the net sales for a San Francisco–area mail-order retailer for the years 2009 to 2018. Use the mean sales for the earliest three years to determine a base and then find the index for 2017 and 2018. (Round your answers to 1 decimal place.) By how much have net sales increased from the base period? (Round your answers to 1 decimal place.)

The Consumer Price Index is reported monthly by the U.S. Bureau of Labor Statistics. It reports the charge in prices for a market basket of goods from one period to another. The index for 2010 was 213.967. BY 2017, it increased to 239.051 What was the geometric mean annual increase for the period? ( Round your answer to 1 decimal)

Fill in the following values in the table using the rounded mean you got in the question above.Round each answer to 6 decimal places. First Six Presidents Age (X-X¯)^2 George Washington 57   John Adams 61   Thomas Jefferson 57   James Madison 57   James Monroe 58   John Quincy Adams 57   SUM     What is the standard deviation of the First Six Presidents? Round your answer to 3 decimal places as neededStandard Deviation =

What is the approximate forecast for November using a four-month moving average? Oct - 700Sept - 600Aug - 880July - 670June - 430

Add the means and divide them by two for each pre-1945 and post-1945 and make an excel bar graph based off this data with error bars on graph

Determine the value of the interquartile range for the following data set: 45.5, 67.1, 20.8, 74.2, 18.0, 38.7, 5.8 State the interquartile range value rounded to the nearest tenth.

Find the standard deviation for the following data.Round your answer to 2 decimal places as needed 31,72,84,25,100,18,90,51,47,87

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likert scales are designed to be what in measurement?