CAN I PLEASE HAVE HELP IM CONFUSED

The data shown to the right represent the age (in weeks) at which babies rst crawl, based on a survey of 12 mothers. Complete parts (a) through (0) below. 52 30 44 35 a 47 37 56 26 39 28 37 35 Click here to view the table of critical t-values. Click here to view p_age 1 of the standard normal distribution table. Click here to View rage 2 of the standard normal distribution table. (a) Draw a normal probability plot to determine if it is reasonable to conclude the data come from a population that is normally distributed Choose the correct answer belowo o A. O B. O c O D 8 s 8 1 8 1 '4' '4' '4' v9 0 Q Q Q Q E _ E . E - Q ' ' 5 2 @ a 2 @ 5 1 @ s 1 @ .2 W _ 20 30 40 50 60 20 30 40 50 so 20 30 40 50 60 20 30 40 50 60 Age (in weeks) Age (in weeks) Age (in weeks) Age {in weeks) Is it reasonable to conclude that the data come from a population that is normally distributed? 0 A. Yes, because the plotted values are not linear O B. Yes, because the plotted values are approximately linear. O C. No, because the platted values are not linear. O D. No, because there are not enough values to make a determination. (b) Draw a boxplot to check for outliers. Choose the correct answer below. A A n n n r- n n nl:-|. s- 'Al\"A -ss .sss_..s.._ ____..s_l.\\ The data shown to the right represent the age (in weeks) at which babies rst crawl, based on a survey of 12 mothers. Complete parts (a) through (c) below. 52 30 44 35 Q1 47 37 56 26 39 28 37 35 Click here to view the table of critical t-values. Click here to view p_age 1 of the standard normal distribution table. Click here to view p_age 2 of the standard normal distribution table. (b) Draw a boxplot to check for outliers. Choose the correct answer below. OA. OB. 0c. :91, at at Q Q Q it? L" a: ......... ......... ......r.. 20 30 40 50 60 20 30 40 50 60 20 30 40 50 60 Does the boxplot suggest that there are outliers? O A. Yes, there is at least one point that is outside of the 1.5(IQR) boundary. O B. Yes, there is at least one point that is greater than the third quartile or less than the rst quartile. O C. No, there are no points that are outside of the 1.5(IQR) boundary. 0 D. No, there are no points that are greater than the third quartile or less than the rst quartile. (c) Construct and interpret a 95% condence interval for the mean age at which a baby rst crawls. Select the correct choice and ll in the answer boxes to complete your choice. (Round to one decimal place as needed.) (\\A -.. . .. ll . ... . .- il . ... A.\" ,._ ... ... ..t. .. Click to select and enter your answer(s). illi- ,...y..' 20 30 40 50 60 The data shown to the right represent the age (in weeks) at which babies first crawl, based on a survey of 12 mothers. Complete parts (a) through (c) below. 52 30 44 35 47 37 56 26 39 28 37 35 Click here to view the table of critical t-values. Click here to view page 1 of the standard normal distribution table. Click here to view page 2 of the standard normal distribution table. 20 30 40 50 60 20 30 40 50 60 20 30 40 50 60 20 30 40 50 60 Does the boxplot suggest that there are outliers? O A. Yes, there is at least one point that is outside of the 1.5(IQR) boundary. O B. Yes, there is at least one point that is greater than the third quartile or less than the first quartile. O C. No, there are no points that are outside of the 1.5(IQR) boundary. O D. No, there are no points that are greater than the third quartile or less than the first quartile. (c) Construct and interpret a 95% confidence interval for the mean age at which a baby first crawls. Select the correct choice and fill in the answer boxes to complete your choice. (Round to one decimal place as needed.) O A. The lower bound is weeks and the upper bound is weeks. We are 95% confident that the mean age at which a baby first crawls is outside of the confidence interval. O B. The lower bound is weeks and the upper bound is weeks. We are 95% confident that the mean age at which a baby first crawls is within the confidence interval. Click to select and enter your answer(s).\f\f\f\fTable of Critical t-Values Area in f-Distribution Area in Right Tail Degrees of Freedom 0.25 0.20 0.025 0.01 0.005 0.0025 0.001 0.0005 1.000 1.963 3.078 6.314 12.706 31.821 53.657 127.32 1 318.309 636.619 0.816 1.886 2.920 4.303 4.849 6.965 9.925 14.089 22.327 31.599 0.978 1.250 1.638 2.353 3.182 3.482 4.541 5.841 7453 10.215 12.924 0.741 0.941 1.533 2.132 2.776 3.747 7173 8.610 D.727 0.920 1.156 1.476 2.015 2.757 3.365 4.773 5.893 6.869 0.718 0.906 1.134 1.440 2.612 3.143 3.707 4.317 5.206 5.959 0.711 0.896 2.517 2.998 3.499 4.029 D.706 0.880 1.108 1.397 1.860 2.306 2.449 2.896 3.355 3.833 0.703 1.100 1.383 2.262 2.398 2.821 10 0.700. 0.879 1.093 1.372 1.812 2.228 2.359 2.764 3.169 3.581 4.144 11 0.697 1.088 1.363 1.796 2.328 2.718 3.106 3.497 4.025 0.695 0.873 1.356 1.782 2.179 2.303 3.055 3.428 3.930 4.318 0.694 0.870 1.079 1.350 1.771 2.160 2.282 2.650 3.012 3.372 3.852 14 0.868 1.076 1345 2.624 3.326 4.140 15 0.866 1.074 1.341 1.753 2.131 2.249 2.602 2.947 3.286 3.733 4.073 16 0.690 0.865 1.07 1.337 1.746 2.120 2.235 2.583 3.252 3.686 4.015 17 18 0.689 0.863 1.069 1.333 2.110 2.224 2.567 2.898 3.222 3.646 3.965 0.688 0.862 1.330 1.734 2.101 2.214 2.552 2.878 3.197 3.610 3.922 19 0.688 1.066 1.328 1.720 2.093 2.205 2.539 2.861 3.174 3.579 3.883 20 0.860 1.064 1.325 2.086 2.197 2.528 2.845 3.850 0.686 0.859 1.063 1323 1.721 2.080 2.518 2.831 3.135 3.527 3.819 0.686 0.858 1.061 1.717 2.074 2.183 2.508 2.819 3.119 3.505 D.685 0.858 1.060 1.319 1.714 2.069 2.500 2.807 3.104 3.485 3.768 0.685 0.857 1.059 1.318 1.711 2.172 2.492 2.797 3.091 3.467 3.745 0.684 0.856 1.316 2.485 2.787 3.078 3.725 26 0.684 0.856 1.058 1.315 1.706 2.056 2.162 2.479 2.779 3.067 3.435 3.707 0.684 0.855 1.703 2.052 2.158 2.473 2.771 3.057 3.690 1712 1 71 Print DoneTable of Critical t-Values 0.866 L753 2.131 2.602 3.286 3.733 4073 16 0.690 0.865 2.120 2.235 2.583 2.921 3.252 3.686 4.015 17 0.689 0.863 1.333 2.898 3.222 3.965 18 1.067 1.330 1.734 2.101 2.214 2.552 2.878 3.197 3.610 3.922 19 1.066 1.328 2.093 2.205 3.579 3.883 20 0.687 0.860 1.064 1.325 2.086 2.197 2.845 3.552 3.850 0.686 0.859 1.063 1323 1.721 2.080 2.518 2.831 3.135 3.819 0.858 1.321 2.074 2.183 2.508 2.819 3.505 3.792 0.685 0.858 1.060 1.319 1.714 2.069 2.500 2.807 3.104 3.485 3.768 D.685 0.857 1.711 2.172 2.492 2.797 3.467 3.745 0.856 2.060 2.787 3.078 0.684 0.856 1.058 1.706 2.056 2.162 2.479 2.779 3.067 3.435 3.707 0.684 0.855 1.314 1.703 2.052 2.158 2.771 3.057 3.690 1.056 1.313 1.701 2.048 2.154 2.763 3.408 3.674 1.055 2.150 2.756 3.047 3.038 3.306 0.683 0.854 1.055 2.042 2.457 2.750 3.030 3.646 0.682 0.853 1.054 2.040 2.453 2.744 3.022 3.375 3.633 0.682 1.054 2.037 2.141 2.449 2.738 3.015 3.365 3.622 0.682 0.853 1.308 2.035 3.008 3.356 D.682 0.852 1.052 1.691 2.032 2.136 2.728 3.002 3.348 0.852 1.052 2.133 2.724 2.996 0.681 1.052 2.028 2.131 2.719 2.990 3.333 3.582 37 0.851 1.305 1.687 2.026 2.129 2.715 2.985 3.326 3.574 38 1.686 2.024 2.712 2.023 2708 3.319 0.851 1.050 2.976 3.313 3.558 40 0.681 1.684 2.423 2.971 3.551 50 0.679 0.849 1.047 1.209 1.676 2.009 2.678 2.937 3.261 3.496 0.679 1.296 1.671 2.000 2090 2.660 2.915 3.232 3.460 70 0.847 1.044 1.294 1.904 2.093 2.648 2.899 3.211 0.678 0.846 1.043 1.292 1.664 1.90 2.088 2.374 2.639 2.887 3.195 0.677 0.846 1.987 2.084 2.632 2.878 3.183 3.402 1010 0.845 1.042 1.984 2.626 3.174 3.390 1.037 1.646 1:96 2.330 2.581 3.098 3.300 0.674 0.842 1.282 1.961 2.054 2.807 3.090 0.20 0.15 0.10 0.05 0.025 0402 0.005 0.0025 0.001 0.0005 Freedom r-Distribution Area in Right Tail Print Done