What critical value t* from Table B should be used for a confidence interval for the population
Question:
What critical value t* from Table B should be used for a confidence interval for the population mean in each of the following situations?
a. A 90% confidence interval based on n = 12 randomly selected observations
b. A 95% confidence interval from an SRS of 30 observations
c. A 99% confidence interval based on a random sample of size 58
Table B.
Transcribed Image Text:
Table Bt distribution critical values Tail probability p df .25 .20 .15 .10 .05 025 .02 .01 .005 .0025 .001 .0005 1 1.000 1.376 1.963 3.078 6.314 12.71 15.89 31.82 63.66 2 0.816 3 0.765 0.978 1.250 1.638 2.353 3.182 3.482 4.541 5.841 127.3 318.3 636.6 1.061 1.386 1.886 2.920 4.303 4.849 6.965 9.925 14.09 22.33 31.60 7.453 10.21 12.92 4 0.741 0.941 1.190 1.533 2.132 2.776 2.999 3.747 4.604 5.598 7.173 8.610 5 0.727 0.920 1.156 1.476 2.015 2.571 2.757 3.365 4.032 6 0.718 0.906 1.134 1.440 1.943 2.447 2.612 3.143 3.707 4.317 7 0.711 8 0.706 9 0.703 0.883 1.100 1.383 1.833 2.262 2.398 2.821 3.250 3.690 4.773 5.893 6.869 5.208 5.959 0.896 1.119 1.415 1.895 2.365 2.517 2.998 3.499 4.029 4.785 5.408 0.889 1.108 1.397 1.860 2.306 2.449 2.896 3.355 3.833 4.501 5.041 4.297 4.781 10 0.700 0.879 1.093 1.372 1.812 2.228 2.359 2.764 3.169 3.581 4.144 4.587 11 0.697 0.876 1.088 1.363 1.796 2.201 2.328 2.718 3.106 3.497 4.025 4.437 12 0.695 0.873 1.083 1.356 1.782 2.179 2.303 2.681 3.055 3.428 3.930 4.318 13 0.694 0.870 1.079 1.350 1.771 2.160 2.282 2.650 3.012 3.372 3.852 4.221 14 0.692 0.868 1.076 1.345 1.761 2.145 2.264 2.624 2.977 3.326 3.787 4.140 15 0.691 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 1.071 1.337 1.746 2.120 2.235 2.583 2.921 3.252 3.686 4.015 17 0.689 0.863 1.069 1.333 1.740 2.110 2.224 2.567 2.898 3.222 3.646 3.965 18 0.688 0.862 1.067 1.330 1.734 2.101 2.214 2.552 2.878 3.197 3.611 3.922 19 0.688 0.861 1.066 1.328 1.729 2.093 2.205 2.539 2.861 3.174 3.579 3.883 20 0.687 0.860 1.064 1.325 1.725 2.086 2.197 2.528 2.845 3.153 3.552 3.850 21 0.686 0.859 1.063 1.323 1.721 2.080 2.189 2.518 2.831 3.135 3.527 3.819 22 0.686 0.858 1.061 1.321 1.717 2.074 2.183 2.508 2.819 3.119 3.505 3.792 23 0.685 0.858 1.060 1.319 1.714 2.069 2.177 2.500 2.807 3.104 3.485 3.768 24 0.685 0.857 1.059 1.318 1.711 2.064 2.172 2.492 2.797 3.091 3.467 3.745 25 0.684 0.856 1.058 1.316 1.708 2.060 2.167 2.485 2.787 3.078 3.450 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 27 0.684 0.855 1.057 1.314 1.703 2.052 2.158 2.473 2.771 3.057 3.421 3.690 28 0.683 0.855 1.056 1.313 1.701 2.048 2.154 2.467 2.763 3.047 3.408 3.674 29 0.683 0.854 1.055 1.311 1.699 2.045 2.150 2.462 2.756 3.038 3.396 3.659 30 0.683 0.854 1.055 1.310 1.697 2.042 2.147 2.457 2.750 3.030 3.385 3.646 40 0.681 0.851 1.050 1.303 1.684 2.021 2.123 2.423 2.704 2.971 3.307 3.551 50 0.679 0.849 1.047 1.299 1.676 2.009 2.109 2.403 2.678 2.937 3.261 3.496 60 0.679 0.848 1.045 1.296 1.671 2.000 2.099 2.390 2.660 2.915 3.232 3.460 80 0.678 0.846 1.043 1.292 1.664 1.990 2.088 2.374 2.639 2.887 3.195 3.416 100 0.677 0.845 1.042 1.290 1.660 1.984 2.081 2.364 2.626 2.871 3.174 3.390 1000 0.675 0.842 1.037 1.282 1.646 1.962 2.056 2.330 2.581 2.813 3.098 3.300 0.674 0.841 1.036 1.282 1.645 1.960 2.054 2.326 2.576 2.807 3.091 3.291 00 50% 60% 70% 80% 90% 95% 96% 98% 99% 99.5% 99.8% 99.9% Confidence level C
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 87% (8 reviews)
When the critical value of the test confidence limit is given for each degree of freedom t...View the full answer
Answered By
BADDEPUDI JOHNBABU
I have been practicing in the field of computer and information technology for a year now. I major in computer information and system analysis. I have tutoring skills, having participated in academic practices for six months after graduation.
0.00
0 Reviews
10+ Question Solved
Related Book For
Question Posted:
Students also viewed these Mathematics questions
-
The sample size formula for a confidence interval for the population mean requires an estimate of the population standard deviation. Intuitively, why is this the case? Specifically, why is the...
-
What translation method should be used for a self-sustaining subsidiary that operates in a highly inflationary environment? Why?
-
In each of the following situations why are firms likely to benefit from vertical integration? (a) A grain elevator is located at the terminus of a rail line. (b) A manufacturer of a product with a...
-
What must be done to a functions equation so that its graph is reflected about the x-axis?
-
Let T: P2 P2 be a linear transformation for which T(l + x) = 1 + x2, T(x + x2) = x - x2, T(1 + x2) = 1 + x + x2 Find T(4 - x + 3x2) and T(a + bx + cx2).
-
What strategies can researchers employ to enhance the rigor, replicability, and generalizability of their Methodological procedures, fostering robust scientific inquiry and cumulative knowledge...
-
A quality-control engineer wants to check whether (in accordance with specifications) \(95 \%\) of the electronic components shipped by his company are in good working condition. To this end, he...
-
Oak Industries, a manufacturer of radio and cable TV equipment and an operator of subscription TV systems, had a multitude of problems. Subscription services in a market area, for which $ 12 million...
-
You are tasked with predicting the occurrence of a binary event E. That is, = EUE, and ENE 0. Let p and 1-p denote your true probabilities for E and E, respectively. Let r and 1-r denote your...
-
The Dorben Company is using the work sampling technique to establish standards in its typing pool section. This pool has varied responsibilities, including typing from tape recordings, filing, Kardex...
-
Determine if the conditions are met for constructing a confidence interval for the population mean in each of the following settings. a. How much time do students at your school spend on the...
-
Velvetleaf is a particularly annoying weed in cornfields. It produces lots of seeds, and the seeds wait in the soil for years until conditions are right for sprouting. How many seeds do velvetleaf...
-
In 2019, Emma Evans sold a piece of equipment from her business for $80,000. The equipment was purchased in 2015 for $72,000, had a useful life of five years, and was depreciated on a straight-line...
-
Under the leadership of CEO Don Blankenship, Massey went from a family-operated company to a corporation with 150 mines with revenues of \(\$ 2.6\) billion. That growth came in response to Mr....
-
Piper High School is in Piper, Kansas, a town located about 20 miles west of Kansas City, Missouri. Christine Pelton was a high school science teacher there. Ms. Pelton, age 26, had a degree in...
-
Diamond Foods, Inc., was once a cooperative among walnut growers, known as Diamond Walnuts. In 2005, it became a publicly traded corporation. The shareholders of the corporation included the farmers...
-
The Sisters of the Most Holy and Immaculate Heart of the Blessed Virgin Mary have a bone to pick with their archdiocese as well as property law. The good sisters have an eightacre convent (in which...
-
The FDA ordered the company to "cease misbranding."34 Ms. Kardashian issued a corrective post the day after the FDA letter was received explaining the limitations of Diclegis and providing a link to...
-
Redpath Limited purchased 25,000 call options during the year. The options give the company the right to buy its own common shares for $4 each. The average market price during the year was $7 per...
-
Describe the general ways that the revised Form 990, applicable for tax year 2008 and beyond, is different from previous versions.
-
Gallup asked in a recent survey conducted around the world, In this country, are you satisfied or dissatisfied with your freedom to choose what you do with your life? The responses are 1 = Satisfied,...
-
Refer to Exercise 15.94. Each respondent was also asked whether they are currently depressed (1 = Yes, 2 = No). Is there sufficient evidence to infer that alcohol and current depression are related?...
-
Clinical depression is a serious disorder that affects millions of people. Depression often leads to alcohol as a means of easing the pain. A Gallup survey attempted to study the relationship between...
-
Find the integrating factor for the given 1-order linear non-homogeneous ordinary differential equation. Do not solve the ordinary differential equation. y xdx-xdy-x+dx + dx
-
[Bush] Consider the following snippet of code. (Assume that input strings, including null terminator, will always fit within the size 255 array.) char* to_upper_case(char* original) { char...
-
50. Show that if f(x) = a,x" + a-1x+...+x+ ao, a,..., a-1, and a,, are real numbers and where 0, then f(x) is O(x"). an # Big-O, big-Theta, and big-Omega notation can be extended to functions in more...
Study smarter with the SolutionInn App