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- Please answer parts d,e,f,gPLEASE HELP STRUGGLING.......A neuroscientist is interested in testing the effects of environment on dendritic branching in the hippocampus (dendrites increase the receptivity of neurons and may be an important basis of cognition). To test this, he took one group of rats (n = 11) and housed them in an “enriched” environment (consisting of a large box with tunnels to run through, toys to play with, etc.) and then he took another group of rats (n = 11) and housed them in an “isolate” environment (rats were housed alone without any tunnels or toys). After 6 weeks, the number of dendritic spines in a particular region of the hippocampus from these rats was imaged and counted. The results are below. Did the different housing conditions have an effect on the number of dendrite branches? Solve using the steps in hypothesis testing. Enriched condition Isolate condition Mean number of dendrites 40 10 (Estimated) Standard Deviation 10 4 Question: Calculate the T statistic
- The owner of a rapidly expanding business finds that for the first five months of the year the sales (in thousands) are $4.0, $4.4, $5.2, $6.4, and $8.0. The owner plots these figures on a graph and conjectures that for the rest of the year, the sales curve can be approximated by a quadratic polynomial. Find the least squares quadratic polynomial fit to the sales curve, and use it to project the sales for the twelfth month of the year. Do not use computer.AS7 Ouiz #7 (7-2&7-3) 57 Quiz #7 (7-2&7-3) com formatives/6 724b862fcfbf2d42d3 alism-The M. Genetic drift-Wikip &Algebra Foundatio. Image result for sur. A Classwork 23 Eukaryotic Cells 7. 8. Find the product. Show your work. (6x + 3) (x² – 4x + 4) Show Your Work 6x3 27x2 - 12x + 12 6x3-21a2 + 12x + 12 Find he product. 12 + 12x - 21² + 6x3 12 12a - 27x2 + 6xA neuroscientist is interested in testing the effects of environment on dendritic branching in the hippocampus (dendrites increase the receptivity of neurons and may be an important basis of cognition). To test this, he took one group of rats (n = 11) and housed them in an “enriched” environment (consisting of a large box with tunnels to run through, toys to play with, etc.) and then he took another group of rats (n = 11) and housed them in an “isolate” environment (rats were housed alone without any tunnels or toys). After 6 weeks, the number of dendritic spines in a particular region of the hippocampus from these rats was imaged and counted. The results are below. Did the different housing conditions have an effect on the number of dendrite branches? Solve using the steps in hypothesis testing. Enriched condition Isolate condition Mean number of dendrites 40 10 (Estimated) Standard Deviation 10 4 Question: Calculate the upper 95% confidence interval…
- Solve thisChoose the correct row-effect hypotheses. a. H0: A1 = A2 = A3 = 0 ⇐⇐Age group means are the same H1: Not all the Aj are equal to zero ⇐⇐Age group means differ b. H0: A1 ≠ A2 ≠ A3 ≠ 0 ⇐⇐Age group means are the same H1: All the Aj are equal to zero ⇐⇐Age group means differ multiple choice 4 a b (a-3) Choose the correct column-effect hypotheses. a. H0: B1 = B2 = B3 = 0 ⇐⇐Surface type means are the same H1: Not all the Bk are equal to zero ⇐⇐Surface type means differ b. H0: B1 ≠ B2 ≠ B3 ≠ 0 ⇐⇐Surface type means are the same H1: Not all the Bk are equal to zero ⇐⇐Surface type means differ multiple choice 6 a b (b) Fill in the missing data. (Round your SS values to 3 decimal places, F values to 2 decimal places, and other answers to 4 decimal places.) Table of Means Mean n Std. Dev Shiny Satin Pebbled Pattern Youth (Under 21) Adult (21 to 39) Middle-Age (40 to…Suppose experimental data are represented by a set of points in the plane. An interpolating polynomial for the data is a polynomial whose graph passes through every point. In scientific work, such a polynomial can be used, for example, to estimate values between the known data points. Another use is to create curves for graphical images on a computer screen. One method for finding an interpolating polynomial is to solve a system of linear equations. Find the interpolating polynomial of (SEE PICTURE)
- question 1 how did u get the 1/3 and the 3log ?Is there a relationship between autism and what an infant is fed? To determine if there is, a researcher asked mothers of autistic and non-autistic children to say what they fed their infant. The data are in table below Feeding Autism Breastfeeding (B) Formula with DHA/ARA (FW) Formula without DHA/ARA (FO) Row Totals Yes 11 40 63 114 No 11 24 10 45 Column Totals 22 64 73 159 a) Since data were collected for variable(s), the correct graph to make is a b) Which of the following is the correct graph for the above data with Feeding grouped by Autism.6. Is the function given by F(x) = at x = 4? Why or why not? 1 x² - 7x + 10 continuous
