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Home Question Bank Math Statistics Archive 2024 December 02

Statistics Questions from Dec 02,2024

Browse the Statistics Q&A Archive for Dec 02,2024, featuring a collection of homework questions and answers from this day. Find detailed solutions to enhance your understanding.

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Find the area under the standard normal curve to the left of \( z=-1.71 \) and to the right of \( z=2.98 \). Round your answer to four decimal places, if necessary. Answer If you would like to look up the value in a table, select the table you want to view, then either click the cell at the intersection of the row and column or use the arrow keys find the appropriate cell in the table and select it using the Space key. Find the area under the standard normal curve to the left of \( z=-1.71 \) and to the right of \( z=2.98 \). Round your answer to four decimal places, if neces Answer If you would like to look up the value in a table, select the table you want to view, then either click the cell at the intersection of the row and column or use find the appropriate cell in the table and select it using the Space key. Find the area under the standard normal curve to the left of \( z=-1.34 \) and to the right of \( z=-0.49 \). Round your answer to four decimal places, if necessary. Answer If you would like to look up the value in a table, select the table you want to view, then either click the cell at the intersection of the row and column or use the arrow keys to find the appropriate cell in the table and select it using the Space key. Find the area under the standard normal curve to the left of \( z=2.37 \) and to the right of \( z=2.93 \). Round your answer to four decimal places, if necessary. Answer If you would like to look up the value in a table, select the table you want to view, then either click the cell at the intersection of the row and column or use the arrow, find the appropriate cell in the table and select it using the Space key. Find the area under the standard normal curve between \( z=-2.97 \) and \( z=2.67 \). Round your answer to four decimal places, if necessary. Answer If you would like to look up the value in a table, select the table you want to view, then either click the cell at the intersection of the row and column or us find the appropriate cell in the table and select it using the Space key. Define un diagrama de dispersión y describe su propósito en la estadística. The graph shows the number of gallons of water in a large tank as it is being filled. Based on the trend line, predict how long it will take to fill the tank with 465 gallons of water. Click the icon to view the graph for the tank volume. 1. Aan 60 scholieren wordt de vraag gesteld hoeveel chocolaatjes zij per dag eten. Dit levert het volgende resultaat op: \( 2,3,4,6,5,6,7,5,7,8,9,10,11,8,7,8,7,4,3,2 \) \( 6,7,2,9,10,7,9,5,12,8,7,10,8,5,6,4,4,6,3,8 \) \( 10,7,13,5,7,8,5,8,12,9,6,8,6,8,11,4,4,9,6,9 \) a) Maak een frequentietabel. b) Wat is de modus en de median? c) Teken een histogram. d) Wat is het gemiddeld aantal chocolaatjes per dag? Hugo es veterinario. Conoce la siguiente información acerca de sus 41 clientes: - 20 clientes en total no tienen un perro. - 17 clientes en total tienen un gato. ¿Puedes ayudar a Hugo a organizar los resultados en una tabla de contingencia de frecuencias? Tienen un perro No tienen un perro 9) Based on the data from eight students, the regression equation relating number of hours of preparation \( (x) \) and test score \( (y) \) is \( \boldsymbol{y}^{\wedge}=\mathbf{8 8 . 6} \) \( +\mathbf{3 . 1 5 x} \). The same data yields \( \boldsymbol{r}=\mathbf{0 . 9 6 6} \) and \( \boldsymbol{y}^{-}=\mathbf{8 9 . 7} \). What is the value of the slope of the regression? \( \mathrm{b}_{1}= \)
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