A researcher has collected a random sample of heights of parents and their female children (all heights are in inches). The heights of the mother, father, and daughter are recorded in the following table. Heights of Parents and Daughters (inches) Mother 6969 6565 6060 7171 7070 5858 6565 6565 6262 5959 6363 7070 6060 Father 6868 7171 7474 7373 7070 6363 7676 7777 7575 7070 6464 6868 7171 Daughter 6969 6565 6464 7070 6868 5959 6868 7171 6666 6262 6262 6868 6464Copy Data Find a 90%90% confidence interval for the average height of a daughter whose father is six feet two inches tall and whose mother is five feet four inches tall. Round your answer to two decimal places, if necessary.

please answer accuretly.

The Pew Research Center conducts an annual Internet Project, which includes research related to social networking. The provided two‑way table about the percentage of U.S. adults surveyed who use at least one social media site, broken down by age, is based on data reported by Pew as of February 2019.  Use Social Media Yes No Total  Age 18-29 Age 18-29 212212 2424 236236  Age 30-49 Age 30-49 324324 7171 395395  Age 50-64 Age 50-64 293293 131131 424424  Age 65+ Age 65+ 156156 235235 391391 To access the complete data set, click the link for your preferred software format. CSV    Excel    JMP    Mac-Text    Minitab14-18    Minitab18+    PC-Text    R    SPSS    TI    CrunchIt! Regard the Internet Project survey as approximately an SRS of Americans over the age of 18.of 18. The data came from the Pew Social Networking Fact Sheet, obtained at www.pewresearch.org/internet/fact-sheet/social-media.     Give a 99%99% confidence interval for the proportion of Americans over…

The table below lists the populations, in thousands, of several rural western countries. What is the mean population?

A statistics professor would like to build a model relating student scores on the first test to the scores on the second test. The test scores from a random sample of 21 students who have previously taken the course are given in the table. Student   Test Grade 1 Test Grade 21 42 812 51 743 88 624 99 575 54 726 66 737 87 638 99 579 97 5810 89 6311 42 7712 71 6313 96 5514 56 7615 75 6916 57 7017 62 7518 89 6319 50 7220 56 7221 89 57Step 1 of 2 : Using statistical software, estimate the parameters of the modelSecond Test Grade=β0+β1(First Test Grade)+εi.Enter a negative estimate as a negative number in the regression model. Round your answers to 4 decimal places, if necessary.

2. A researcher selected a random sample of 20 individuals and recorded their heights (in inches). Make a stem and leaf plot of the Height data below. Height of Stat 1350 students (in inches) 58 59 60 62 64 65 65 66 66 67 68 68 69 69 71 72 72 73 74 76 HISTOGRAM: 3. The following is the IQ scores for 40 randomly chosen fifth graders in 2012. 108 113 12699 117 119 102 109 129 109 130 112 81 138 90 105 80 123 100 135 140 103 133 127 139 99 114 129 108 132 118 113 114 128 110 98 127 120 93 85 A. What type of data is this (Categorical or Numerical)? Use the calculator to help you draw a histogram for this IQ data. Full detail steps for using the Ti-83/84 calculator to draw a histogram given in the Chapter 11 notes. B. Enter the fifth grades IQ Scores data into List1 (L1). C. Using STAT PLOT menu set up your calculator to draw a histogram.

GMAT Scores by Undergraduate Major Business Liberal Arts Sciences 579 568 595 593 573 596 584 589 582 583 572 592 581 566 597 599 576 583 573 576 586 562 592 597 600 601 578 590 605 575 588 581 591 604 583 616 593 580

Given below are the ages of motorcyclists at the time they were fatally injured in traffic accidents (based on data from the U.S. Department of Transportation).          18   38   23   14   18   34   16  42   28           24   40   20   23   34   37   21  32   25           17   28   33   25   23   19   51  18   29 Looking at the histogram for the data, what is the height (frequency) of the 4th bar on the histogram? Given below are the ages of motorcyclists at the time they were fatally injured in traffic accidents (based on data from the U.S. Department of Transportation).          18   38   23   14   18   34   16  42   28           24   40   20   23   34   37   21  32   25           17   28   33   25   23   19   51  18   29 Looking at the histogram for the data, what is the height (frequency) of the 4th bar on the histogram? 4 7 5 6 8

The following data lists the ages of a random selection of actresses when they won an award in the category of Best​ Actress, along with the ages of actors when they won in the category of Best Actor. The ages are matched according to the year that the awards were presented. Complete parts​ (a) and​ (b) below.Actress left parenthesis years right parenthesis27 25 29 31 35 28 25 43 32 37 Actor left parenthesis years right parenthesis61 36 3841283152363643a. Use the sample data with a 0.05 significance level to test the claim that for the population of ages of Best Actresses and Best​ Actors, the differences have a mean less than 0​ (indicating that the Best Actresses are generally younger than Best​ Actors).

In 1998, as an advertising campaign, the Nabisco Company announced a "1000 Chips Challenge," claiming that every 18-ounce bag of their Chips Ahoy cookies contained at least 1000 chocolate chips. Dedicated statistics students at the Air Force Academy (no kidding) purchased some randomly selected bags of cookies and counted the chocolate chips. Some of their data are given below.1219 1214 1087 1200 1419 1121 1325 1345 1244 1258 1356 1132 1191 1270 1295 1135Find a 95% confidence interval for the mean number of chips in a bag of Chips Ahoy Cookies.