(b) The following table gives age-specific fertility rates for a certain region. 1965 - 69 1975 - 79 1980 - 84 1990 - 1994 age group 1960 - 64 1970 -74 1985 -89 15 - 19 0.040 0.049 0.045 0.030 0.030 0.031 0.033 20 - 24 0.175 0.165 0.130 0.108 0.095 0.094 0.088 25 - 29 0.183 0.164 0.135 0.125 0.127 0.125 0.120 30 - 34 0.105 0.090 0.067 0.065 0.075 0.084 0.087 35 - 39 0.049 0.040 0.025 0.020 0.024 0.030 0.033 40 - 44 0.015 0.010 0.007 0.005 0.005 0.005 0.006 45-49 0.000 0.000 0.000 0.000 0.000 0.000 0.000 . Calculate the cohort total fertility rate for the cohort 1950 - 54. ANSWER Calculate the period total fertility rate for the period 1980 -84. ANSWER
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- The table below shows percentage changes (xi) in the Dow-Jones index over the first five trading days of each of thirteen years and also the corresponding percentage changes (yi) in another index. xi yi 1.5 14.9 0.2 -9.2 -0.1 19.6 2.8 20.3 2.2 -3.7 -1.6 27.7 -1.3 22.6 5.6 2.3 -1.4 11.9 1.4 27.0 1.5 -4.3 -4.7 20.3 1.1 4.2 1- Calculate the sample correlation and interpret. 2- Test at the 1% significance level, against a two-sided alternative, the null hypothesis that the population correlation is 0. Thanks.The economic dynamism, which is the index of productive growth (in dollars) for countries that are designated by the World Bank as middle-income are in following table ("SOCR data 2008," 2013): Table: Economic Dynamism ($) of Middle Income Countries 25.8057 37.4511 51.915 43.6952 47.8506 43.7178 58.0767 41.1648 38.0793 37.7251 39.6553 42.0265 48.6159 43.8555 49.1361 61.9281 41.9543 44.9346 46.0521 48.3652 43.6252 50.9866 59.1724 39.6282 33.6074 21.6643 Compute a 95% confidence interval for the mean economic dynamism of middle-income countries by answering the following questions: (i) Determine sample mean x :i Determine sample mean x : Enter in decimal form to nearest ten-thousandth. Do not enter units of measure. Examples of correctly entered answers: 0.0015 0.0000 136.7000 99.0070 36.9128 (ii) Determine sample standard deviation s : Enter in decimal form to nearest ten-thousandth. Examples of correctly entered answers: 0.0001…The economic dynamism, which is the index of productive growth (in dollars) for countries that are designated by the World Bank as middle-income are in following table ("SOCR data 2008," 2013). Table: Economic Dynamism of Middle Income Countries 25.8057 37.4511 51.915 43.6952 47.8506 43.7178 58.0767 41.1648 38.0793 37.7251 39.6553 42.0265 48.6159 43.8555 49.1361 61.9281 41.9543 44.9346 46.0521 48.3652 43.6252 50.9866 59.1724 39.6282 33.6074 21.6643 Countries that are considered high-income have a mean economic dynamism of 60.29. Do the data show that the mean economic dynamism of middle-income countries is less than the mean for high-income countries? Test at the 5% level. (iv) Determine sample mean x :iv Determine sample mean x : Enter answer to nearest ten-thousandth, without "$" sign. Examples of correctly entered answers: 11.2385 0.0079 3.0500 7.4000 (v) Determine sample…
- The economic dynamism, which is the index of productive growth (in dollars) for countries that are designated by the World Bank as middle-income are in following table ("SOCR data 2008," 2013). Table: Economic Dynamism of Middle Income Countries 25.8057 37.4511 51.915 43.6952 47.8506 43.7178 58.0767 41.1648 38.0793 37.7251 39.6553 42.0265 48.6159 43.8555 49.1361 61.9281 41.9543 44.9346 46.0521 48.3652 43.6252 50.9866 59.1724 39.6282 33.6074 21.6643 Countries that are considered high-income have a mean economic dynamism of 60.29. Do the data show that the mean economic dynamism of middle-income countries is less than the mean for high-income countries? Test at the 5% level. (i) Which of the following statements correctly defines the null hypothesis HO? A. μ < $60.29 B. p < $60.29 C. μ = $60.29 D. p = $60.29 Enter letter corresponding to correct answer (ii) Which of the following…The economic dynamism, which is the index of productive growth (in dollars) for countries that are designated by the World Bank as middle-income are in following table ("SOCR data 2008," 2013): Table: Economic Dynamism ($) of Middle Income Countries 25.8057 37.4511 51.915 43.6952 47.8506 43.7178 58.0767 41.1648 38.0793 37.7251 39.6553 42.0265 48.6159 43.8555 49.1361 61.9281 41.9543 44.9346 46.0521 48.3652 43.6252 50.9866 59.1724 39.6282 33.6074 21.6643 Compute a 95% confidence interval for the mean economic dynamism of middle-income countries by answering the following questions (iv) Determine t score corresponding to desired confidence level Enter value in decimal form rounded to nearest hundredth. Examples of correctly entered answers: 2.01 0.37 0.60 0.00 (v) Determine error bound of the mean: Enter value in decimal form rounded to nearest ten-thousandth. Examples of correctly entered answers: 0.0000 0.0003 3.0060 2.0700…The economic dynamism, which is the index of productive growth (in dollars) for countries that are designated by the World Bank as middle-income are in following table ("SOCR data 2008," 2013): Table: Economic Dynamism ($) of Middle Income Countries 25.8057 37.4511 51.915 43.6952 47.8506 43.7178 58.0767 41.1648 38.0793 37.7251 39.6553 42.0265 48.6159 43.8555 49.1361 61.9281 41.9543 44.9346 46.0521 48.3652 43.6252 50.9866 59.1724 39.6282 33.6074 21.6643 Compute a 95% confidence interval for the mean economic dynamism of middle-income countries by answering the following questions: (vii) Using the confidence interval, select the correct description of the result of the survey: A. We estimate with 95% confidence that the true proportion mean economic dynamism for middle-income countries is between $40.21 and $47.54. B. We estimate with 95% confidence that the proportional economic dynamism for middle-income countries is between $40.21 and $47.54. C. We estimate…
- The economic dynamism, which is the index of productive growth (in dollars) for countries that are designated by the World Bank as middle-income are in following table ("SOCR data 2008," 2013). Table: Economic Dynamism of Middle Income Countries 25.8057 37.4511 51.915 43.6952 47.8506 43.7178 58.0767 41.1648 38.0793 37.7251 39.6553 42.0265 48.6159 43.8555 49.1361 61.9281 41.9543 44.9346 46.0521 48.3652 43.6252 50.9866 59.1724 39.6282 33.6074 21.6643 Countries that are considered high-income have a mean economic dynamism of 60.29. Do the data show that the mean economic dynamism of middle-income countries is less than the mean for high-income countries? Test at the 5% level. (x) Select the statement that most correctly interprets the result of this test: A. The result is statistically significant at .05 level of significance. Evidence supports the claim that the mean economic dynamism for a middle-income…The economic dynamism, which is the index of productive growth (in dollars) for countries that are designated by the World Bank as middle-income are in following table ("SOCR data 2008," 2013). Table: Economic Dynamism of Middle Income Countries 25.8057 37.4511 51.915 43.6952 47.8506 43.7178 58.0767 41.1648 38.0793 37.7251 39.6553 42.0265 48.6159 43.8555 49.1361 61.9281 41.9543 44.9346 46.0521 48.3652 43.6252 50.9866 59.1724 39.6282 33.6074 21.6643 Countries that are considered high-income have a mean economic dynamism of 60.29. Do the data show that the mean economic dynamism of middle-income countries is less than the mean for high-income countries? Test at the 5% level. (vii) Calculate and enter test statistic Enter value in decimal form rounded to nearest ten-thousandth, with appropriate sign (no spaces). Examples of correctly entered answers: –2.0140 –0.0307 +0.6000 +1.0009…A sample containing years to maturity and yield for 40 corporate bonds are contained in the data given below. Years to Maturity Yield Years to Maturity Yield 27.75 6.075 5.00 6.888 10.50 5.966 10.50 3.477 18.50 4.444 8.00 2.893 13.50 5.569 18.50 4.945 2.75 7.673 5.50 1.991 10.00 6.969 26.50 1.320 13.50 2.956 21.25 1.867 2.75 2.241 13.25 2.189 24.25 0.916 11.75 7.499 1.75 5.323 25.75 5.686 10.25 1.720 13.50 5.195 16.75 3.987 20.00 1.710 22.50 6.405 27.00 1.121 21.25 4.456 1.25 4.146 23.75 2.725 6.25 7.115 8.75 5.497 5.25 1.211 27.75 6.392 4.50 5.998 24.00 0.989 9.00 2.458 15.00 6.169 8.00 1.162 29.00 5.105 8.75 4.978 a. What is the sample mean years to maturity for corporate bonds and what is the sample standard deviation? Mean (to 4 decimals) Standard deviation (to 4 decimals) b. Develop a 95%…
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