Calculate the range of the data.  16     22     17     18     22     19     21     20      18     23

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The paired data below consist of the costs of advertising (in thousands of dollars) and the number of products sold (in thousands): Cost 9 Number 85 O 0.246 -0.071 0.235 0.708 2 52 3 55 Table 3 4 68 2 67 5 86 9 83 10 73

Eyeglassomatic manufactures eyeglasses for different retailers. They test to see how many defective lenses they made the time period of January 1 to March 31. The table gives the defect and the number of defects. Do the data support the notion that each defect type occurs in the same proportion? Test at the 5% level. Number of Defective Lenses Defect type Number of defects Scratch 1866 Right shaped - small 1935 Flaked 1979 Wrong axis 1921 Chamfer wrong 1864 Crazing, cracks 1991 Wrong shape 2004 Wrong PD 1895 Spots and bubbles 1917 Wrong height 1885 Right shape - big 1875 Lost in lab 1886 Spots/bubble - intern 1935   State the hypotheses.H0: Each defect type     in the same proportion.Ha: Each defect type     in the same proportion. Calculate the χ2 test statistic. Round expected values to two decimal places. Round χ2 to three decimal places.χ2 =  Calculate the p-value. Round to four decimal places.p-value =  State your decision.Since p-value     0.05,…

Approximate the mean for following GFDT. Data Frequency 40 - 44 1 45 - 49 3 50 - 54 5 55 - 59 10 60 - 64 18 65 - 69 11 70 - 74 10 75 - 79 5 80 - 84 1 mean =

Draw a box plot for the data set with the statistics in the picture

questiun = Question Heip Course Note Packet Chapter 9 Page 7,9 and 10 The data table below contains the amounts that a sample of nine customers spent for lunch (in dollars) at a fast-food restaurant. Complete parts (a) through (d). Click here to view page 1 of the table of critical values of t. Click here to view page 2 of the table of critical values of t. 4.20 5.07 5.93 6.49 7.31 7.63 8.44 8.59 9.89 a a. At the u.UT Tevei or signinIcance, is tnere evidence tnar tne mean amount spent Tor iuncn is aitrerent trom 56.50? State the null and alternative hypotheses. (Type integers or decimals. Do not include the S symbol in your answer.) Identify the critical value(s). The critical value(s) is(are) (Round to four decimal places as needed. Use a comma to separate answers as needed.) Determine the test statistic The test statistic is (Round to four decimal places as needed.) State the conclusion. Ho. There is v evidence conclude that the mean amount spent for lunch is different from $6.50. b.…

Approximate the mean for following GFDT. Data Frequency 30 - 34 12 35 - 39 23 40 - 44 10 45 - 49 11 50 - 54 4 55 - 59 7 60 - 64 4 65 - 69 1 70 - 74 1 mean = Report answer accurate to one decimal place.

Chrome File Edit View History Bookmarks People Tab Window Help Midterm Exam -> A cos.instructure.com/courses/20952/assignments/2... Data was collected for a sample of organic snacks. The amount of sugar (in mg) in each snack is summarized in the histogram below. 10 40 50 60 70 80 90 100 110 amount of sugar (mg) What is the sample size for this data set? n = > Next Question Frequency ...

Researchers wondered whether the size of a person's brain was related to the individual's mental capacity. They selected a sample of 5 females and 5 males and measured their MRI image pixel counts and IQ scores. Females Males MRI IQ MRI IG The data is reported to the right. Complete parts (a) through (d) below 139 858,472 140 955,003 935,494 924,059 1.079.550 1,001.121 Click the icon to view the critical values table. 991,305 138 141 857,782 833,868 790,619 133 135 132 141 135 140 AMRI 1,080,000- AIO 145 AIO 145- AMRI 1,080,000 780,000 130 130 780,000 130 780,000 780,000 130 1,080,000 145 1,080,000 MRI 145 MRI (b) Compute the linear correlation coefficient between MRI count and IQ. Are MRI count and IQ linearly related? Select the correct choice below and, if necessary, fill in the answer box to complete your choice. (Round to three decimal places as needed.) A. Yes, MRI count and IQ are linearly related since the linear correlation coefficient is O B. No. MRI count and IQ are not…