Row

California average costs of Center based day cares from the years 2008 to 2018

Infant

## Toddler

Preschool

Column

Chart B


Call:
lm(formula = StudyYear ~ Infant, data = by_year)

Residuals:
    Min      1Q  Median      3Q     Max 
-3.4046 -2.2485  0.2553  1.3728  4.4075 

Coefficients:
             Estimate Std. Error t value Pr(>|t|)    
(Intercept) 1.992e+03  4.513e+00 441.309  < 2e-16 ***
Infant      7.448e-02  1.521e-02   4.899 1.18e-05 ***
---
Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1

Residual standard error: 2.409 on 47 degrees of freedom
Multiple R-squared:  0.338, Adjusted R-squared:  0.3239 
F-statistic:    24 on 1 and 47 DF,  p-value: 1.185e-05
   Min. 1st Qu.  Median    Mean 3rd Qu.    Max. 
  251.5   279.2   296.5   295.9   312.2   340.9 

Call:
lm(formula = StudyYear ~ Toddler, data = by_year)

Residuals:
    Min      1Q  Median      3Q     Max 
-5.1696 -2.6388  0.3161  2.4061  4.7727 

Coefficients:
             Estimate Std. Error t value Pr(>|t|)    
(Intercept) 2.011e+03  5.044e+00 398.623   <2e-16 ***
Toddler     1.327e-02  2.373e-02   0.559    0.579    
---
Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1

Residual standard error: 2.951 on 47 degrees of freedom
Multiple R-squared:  0.006607,  Adjusted R-squared:  -0.01453 
F-statistic: 0.3126 on 1 and 47 DF,  p-value: 0.5788
   Min. 1st Qu.  Median    Mean 3rd Qu.    Max. 
  178.0   199.6   214.1   211.8   224.7   243.9 

Call:
lm(formula = StudyYear ~ Preschool, data = by_year)

Residuals:
    Min      1Q  Median      3Q     Max 
-5.1696 -2.6388  0.3161  2.4061  4.7727 

Coefficients:
             Estimate Std. Error t value Pr(>|t|)    
(Intercept) 2.011e+03  5.044e+00 398.623   <2e-16 ***
Preschool   1.327e-02  2.373e-02   0.559    0.579    
---
Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1

Residual standard error: 2.951 on 47 degrees of freedom
Multiple R-squared:  0.006607,  Adjusted R-squared:  -0.01453 
F-statistic: 0.3126 on 1 and 47 DF,  p-value: 0.5788
   Min. 1st Qu.  Median    Mean 3rd Qu.    Max. 
  178.0   199.6   214.1   211.8   224.7   243.9

Need to change these numbers since picking the 5 counties.

For every year there is a 0.0012% increase in average weekly tuition for Infants in a center based day care across California.

In 2018, the average costs per week for Infant center based day care in California was $270.80. Using the linear regression model, we should expect to pay on average $271.12.

Toddler and preschool rates are nearly identical in the state of California. For every year there is a 0.0032% increase in average weekly tuition for Toddler and Preschool in a center based day care across California.

In 2018, the average costs per week for Toddler and Preschool center based day care in California was $182.40. Using the linear regression model, we should expect to pay on average $182.98.

Chart C