t-distribution Table TABLE D Thet distribution* Confidence interval percents (two-tailed) 80% 90% 95% 98% 99% 99.9% a level for two-tailed test 20 .10 .05 02 01 .001 a level for one-tailed test df 10 .05 025 01 005 .0005 3.078 1 6.314 12.71 31.82 63.66 9.925 636.6 2 1.886 2.920 2.353 4.303 6.965 4.541 31.598 3 1.638 3.182 2.776 5.841 12.924 8.610 4 1.533 2.132 2.015 3.747 4.604 4.032 5 1.476 1440 2.571 2.447 2.365 3.365 3.143 6.869 1.943 3.707 3.499 3.355 5.959 1.415 1.397 1.383 1.895 1.860 2.998 5.408 8 2.306 2.896 2.821 5.041 1.833 1.812 1.796 1.782 1.771 2.262 2.228 2.201 2.179 3.250 4.781 4.587 10 3.169 1.372 2.764 11 1.363 1.356 1.350 2.718 3.106 3.055 3.012 4.437 12 2.681 2.650 2.624 4.318 13 14 2.160 2.145 4.221 4.140 1.345 1.761 2.977 15 16 17 18 1.341 1.337 1.753 1.746 2.131 2.120 2.110 2.602 2.583 2.567 2.947 2.921 4.073 4.015 3.965 1.333 1.330 1.328 1.325 1.740 1.734 1.729 1.725 2.898 2.878 2.101 2.552 2.539 2.528 3.922 2.093 2.086 2.080 19 2.861 2.845 3.883 20 3.850 3.819 21 1.323 1721 2.518 2.508 2.500 2.831 22 1.321 1.319 1.318 1.717 2.074 2.819 3.792 3.767 3.745 23 1.714 2.069 2.064 2.807 1.711 2.797 2.787 2.779 2.492 25 1.316 1.315 1.314 1.708 2.060 2.485 2.479 3.725 26 1.706 2.056 2.052 2.048 3.707 3.690 3.674 1.703 1701 1.699 1.697 2.473 2.771 28 1.313 1.311 1.310 2.467 2.763 2.756 2.750 2.045 2.042 2.021 2.462 2.457 3.659 30 40 3.646 3.551 1.303 1.299 1.684 1.676 2.423 2.403 2.390 2.704 2.678 50 60 80 2.009 2.000 1.990 3.496 3.460 3.416 1.296 1.671 2.660 1.292 1.664 1.660 2.374 2.639 2.626 2.617 100 120 1.290 1.289 1.282 1.984 1.980 1.960 2.364 2.358 2.326 3.390 3.373 1.658 1.645 2.576 3.291 *To be significant, the t obtained from the data must be equal to or greater than the value shown in the
Homework Answers
I have used one tailed value as nothing was mentioned.
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3. Using the t-distribution table posted on Moodle, find the df & critical t-values given N...
T Distribution Table The U.S. Dairy Industry wants to estimate the mean yearly milk consumption. A...
T Distribution Table
The U.S. Dairy Industry wants to estimate the mean yearly milk consumption. A sample of 25 people reveals the mean yearly consumption to be 82 gallons with a standard deviation of 24 gallons. Assume that the population distribution is normal. (Use Distribution Table.) a-1. What is the value of the population mean? 82 24 Unknown a-2. What is the best estimate of this value? Estimate population mean c. For a 90% confidence interval, what is the value...
Using the t distribution table in your text, (Figure 10.11) and identify the df and critical...
Using the t distribution table in your text, (Figure 10.11) and identify the df and critical value at α = .05, for a one-tailed test with n = 11. Thank you!!
The weight percent of silicon in six different rock samples, each containing different amounts of silicon,...
The weight percent of silicon in six different rock samples, each containing different amounts of silicon, was measured by two different methods. The results are given in the table. Sample Method A Si wt% Method B Si wt% 1 11.570 11.520 2 15.380 15.320 17.950 17.900 22.840 22.810 25.110 25.150 27.070 27.030 Determine tak teale Determine table at the 95% confidence level. A list of t values can be found in the Student's t table. ttable = Are these methods...
Let to be a specific value of t. Use the table of critical values of t...
Let to be a specific value of t. Use the table of critical values of t below to find to-values such that the following statements are true. a. P(- to <t<to) = 0.95, where df = 20 b. Patsto) = 0.01, where df = 13 c. Pts - to or t2to) = 0.10, where df=9 d. Pts - to ort2to) = 0.01, where df = 6 Click the icon to view the table of critical values of t. a. The...
please help with question 4 degrees of freedom for either the numerator or denominator of F,...
please help with question 4
degrees of freedom for either the numerator or denominator of F, use the closest smaller number. For instance, if the degrees of freedom for the denominator were df, 23 you would use the critical value for df = 20 (2,3) 4. Chapter 10, Problem 10.10 If the degrees of freedom for I do not appear in Table A.2 use the closest smaller degrees of freedom to determine the critical value of t. For instance, if...
t-distribution Table -Distribution Area in Right Tail 0.025 0.02 df 0.25 0.20 0.15 0.10 0.05 0.01...
t-distribution Table -Distribution Area in Right Tail 0.025 0.02 df 0.25 0.20 0.15 0.10 0.05 0.01 0.005 0.0025 0.001 0.0005 3 6 1.000 1.3761.963 0.816 1.061 1.386 0.765 0.978 1.250 0.741 0.941 1.190 0.727 0.9201.156 0.718 0.906 1.134 0.7110.8961.119 0.706 0.889 1.108 0.703 0.883 1.100 0.700 0.879 1.093 0.697 0.876 1.088 0.695 0.873 1.083 0.694 0.870 1.079 0.692 0.868 1.076 0.691 0.866 1.074 0.690 0.865 1.071 0.689 0.863 1.069 0.688 0.862 1.067 0.688 0.861 1.066 3.078 1.886 1.638 1.533 1.476...
Using a table of critical t-values of the t distribution, find the range of values for...
Using a table of critical t-values of the t distribution, find
the range of values for the P-value for testing a claim about the
mean body temperature of healthy adults for a left-tailed test
with n=12 and test statistic t= -2.475
What is the range of values for the P-value?
A. 0.01 <P-value< 0.025
B. 0.025<P-value<0.05
C. P-value<0.005
D. 0.005 <P-value<0.01
x t-table t distribution: Critical t values 0.005 0.01 Area in One Tail 0.025 0.05 0.10 Degrees of Freedom...
Using a table of critical t-values of the t distribution, find the range of values for...
Using a table of critical t-values of the t distribution, find the range of values for the P-value for testing a claim about the mean body temperature of healthy adults for a left-tailed test with n=13 and test statistic t = 2.098 . What is the range of values for the P-value? A. 0.01 <P-value<0.025 B. 0.005 P-value<0.005 C.0.025<P-value<0.05 D.0.005 less than Upper P value less than 0.01
Using a table of critical t-values of the t distribution, find the range of values for...
Using a table of critical t-values of the t distribution, find the range of values for the P-value for testing a claim about the mean body temperature of healthy adults for a left-tailed test with n = 11 and test statistic t -2.594. Click the icon to view a table of critical t-values. What is the range of values for the P-value? A. 0.025 P-value < 0.05 B. 0.01 P-value < 0.025 O C. 0.005 P-value < 0.01 O D....
What are the lower/upper p-values? How do I find them? N:10 t: 2 df: 9 Desired...
What are the lower/upper p-values? How do I find them? N:10 t: 2 df: 9 Desired level of confidence C: 99% Type of test: One sided
T Distribution Table
The U.S. Dairy Industry wants to estimate the mean yearly milk consumption. A sample of 25 people reveals the mean yearly consumption to be 82 gallons with a standard deviation of 24 gallons. Assume that the population distribution is normal. (Use Distribution Table.) a-1. What is the value of the population mean? 82 24 Unknown a-2. What is the best estimate of this value? Estimate population mean c. For a 90% confidence interval, what is the value...
The weight percent of silicon in six different rock samples, each containing different amounts of silicon, was measured by two different methods. The results are given in the table. Sample Method A Si wt% Method B Si wt% 1 11.570 11.520 2 15.380 15.320 17.950 17.900 22.840 22.810 25.110 25.150 27.070 27.030 Determine tak teale Determine table at the 95% confidence level. A list of t values can be found in the Student's t table. ttable = Are these methods...
Let to be a specific value of t. Use the table of critical values of t below to find to-values such that the following statements are true. a. P(- to <t<to) = 0.95, where df = 20 b. Patsto) = 0.01, where df = 13 c. Pts - to or t2to) = 0.10, where df=9 d. Pts - to ort2to) = 0.01, where df = 6 Click the icon to view the table of critical values of t. a. The...
please help with question 4
degrees of freedom for either the numerator or denominator of F, use the closest smaller number. For instance, if the degrees of freedom for the denominator were df, 23 you would use the critical value for df = 20 (2,3) 4. Chapter 10, Problem 10.10 If the degrees of freedom for I do not appear in Table A.2 use the closest smaller degrees of freedom to determine the critical value of t. For instance, if...
t-distribution Table -Distribution Area in Right Tail 0.025 0.02 df 0.25 0.20 0.15 0.10 0.05 0.01 0.005 0.0025 0.001 0.0005 3 6 1.000 1.3761.963 0.816 1.061 1.386 0.765 0.978 1.250 0.741 0.941 1.190 0.727 0.9201.156 0.718 0.906 1.134 0.7110.8961.119 0.706 0.889 1.108 0.703 0.883 1.100 0.700 0.879 1.093 0.697 0.876 1.088 0.695 0.873 1.083 0.694 0.870 1.079 0.692 0.868 1.076 0.691 0.866 1.074 0.690 0.865 1.071 0.689 0.863 1.069 0.688 0.862 1.067 0.688 0.861 1.066 3.078 1.886 1.638 1.533 1.476...
Using a table of critical t-values of the t distribution, find
the range of values for the P-value for testing a claim about the
mean body temperature of healthy adults for a left-tailed test
with n=12 and test statistic t= -2.475
What is the range of values for the P-value?
A. 0.01 <P-value< 0.025
B. 0.025<P-value<0.05
C. P-value<0.005
D. 0.005 <P-value<0.01
x t-table t distribution: Critical t values 0.005 0.01 Area in One Tail 0.025 0.05 0.10 Degrees of Freedom...
Using a table of critical t-values of the t distribution, find the range of values for the P-value for testing a claim about the mean body temperature of healthy adults for a left-tailed test with n = 11 and test statistic t -2.594. Click the icon to view a table of critical t-values. What is the range of values for the P-value? A. 0.025 P-value < 0.05 B. 0.01 P-value < 0.025 O C. 0.005 P-value < 0.01 O D....
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