What is the test statistic for this sample? (Report answer accurate to three decimal places.) test statistic =  What is the p-value for this sample? (Report answer accurate to four decimal places.) p-value =  The p-value is... less than (or equal to) αα greater than αα This test statistic leads to a decision to... reject the null

A laptop manufacturer claims that the mean life of the battery for a certain model of laptop is more than 5 hours. What is the claim as a mathematical statement

Using the following time series data of U.S. new car sales ($ millions), respond to the following items. (The data is sourced from https://www.census.gov/retail/index.html#mrts. Find “Monthly Retail Trade Report," then select "Time Series/Trend Charts" to find the data for U.S. new car sales.). $ Sales (Millions) $ 486,565 Year 2009 549,473 608,790 672,550 735,374 785,142 842,120 877,743 911,157 943,538 2010 2011 2012 2013 2014 2015 2016 2017 2018 E Click here for the Excel Data File b. Test for autocorrelation using the 0.05 significance level. (Negative amounts should be indicated by a minus sign. Round your answers to 2 decimal places.) Lagged Residuals Squared Difference Squared Residuals Year Sales Predicted Residuals 2009 $ 486,565 508,123.70 (21,558.70) 0.00 0.00 464,758,328.46 (10,455.50) (2,943.26) 2010 549,473 559,928.50 2011 608,790 611,733.30 2012 672,550 663,538.00 9,011.96 2013 735,374 715,342.80 20,031.19 2014 785.142 767,147.60 17,994.41 2015 842.120 818,952.40…

Consider the following data from a stock table on the company "Apple Inc."     Name Apple Inc.     Symbol APPL     Close $148.96     Day Range $146.76−$148.98     52-week Range $89.47−$148.98     Volume 27,327,725     P/E 17.88     Dividend $2.52     EPS $?     Calculate the earnings per share.

Listed below are the numbers of unprovoked shark attacks worldwide for the last several years. Why is it that a dotplot of these data would not be very effective in helping us understand the data? Which of the following graphs would be most effective for these data: dotplot, stemplot, time-series graph, Pareto chart, pie chart, frequency polygon? 70 54 68 82 79 83 76 73 98 81 Why is it that a dotplot of these data would not be very effective in helping us understand the data? A. The spread of the data is very small, so it would be nearly impossible to see any differences when represented graphically. B. There are several duplicate values in the data and most graphical methods cannot accurately show duplicate values. C. The data set is too small for a dotplot to reveal important characteristics of the data. D. Even though the data are numeric, they are actually categorical data because each value is discrete. Which of the following graphs would be most effective for these data: dotplot,…

The following statement refers to which aspect of a statistical study: "A meteorologist constructs a graph showing the total precipitation in Phoenix, Arizona in each of the months of a given year"?     Description     Inference     Design

In 2001, a total of 40,262,000 taxpayers in the United States filed their individual tax returns electronically. By the year 2015, the number increased to 281,293,158.What is the geometric mean annual increase for the period ( round your answers to 2 decimals)

The following frequency table contains the total number of deaths worldwide as a result of earthquakes from 2000 to 2012. Year Deaths 2000 231 2001 21,357 2002 11,685 2003 33,819 2004 228,802 2005 88,003 2006 6,605 2007 712 2008 88,011 2009 1,790 2010 320,120 2011 21,853 2012 768 Total 823,756 What is the frequency of deaths from 2006 through 2009?

2021 2020 2019 2018 2017 Sales $ 497,289 $ 327, 164 $ 267,073 $ 197, 102 $ 141,800 Cost of goods sold 251,145 165, 182 137, 037 99,651 70,900 Accounts receivable 23,969 19, 172 18,214 11,511 9,699 Compute trend percents for the above accounts, using 2017 as the base year.

In a survey of over 2000 U.S. teenagers by Harris Interactive, 47% said that "their social life would end or be worsened without their cell phone." One survey question asked the teens how important it is for their phone to have certain features. The following figure displays data on the percent who indicated that a particular feature is vital.a. Explain how the graph gives a misleading impression.b. Would it be appropriate to make a pie chart to display these data? Why or why not?